도서의 특징

이 책은 공조냉동기계 기사 자격증을 취득하려는 수험생을 위하여 20여 년 간의 과년도 출제 문제를 분석ㆍ검토한 후 단원 (냉동공학, 공기조화, 전기제어공학, 배관일반, 기계열역학) 별로 중요한 이론을 상세하고도 명쾌하게 요점만을 간추렸으며, 시대의 흐름과 출제 경향에 따라 출제가 예상되는 새로운 문제에는 산업현장에서 경험한 실무 데이터와 함께 자세한 해설을 실어 주었다. 또한, 공조냉동기계 기사에게 필요한 각종 선도 (線圖)를 다루었으며, 지금까지 출제되었던 과년도 출제 문제에 상세한 해설을 달아 수험자가 출제 경향을 정확히 파악하여 문제를 풀기 쉽게 하였다. 또한, 공조냉동기계 기사에게 필요한 각종 선도 (線圖)를 다루었으며, 지금까지 출제되었던 과년도 출제 문제에 상세한 해설을 달아 수험자가 출제 경향을 정확히 파악하여 문제를 풀기 쉽게 하였다. 상세이미지

목차

제1편 냉동공학

제1장 기초 냉동
1. 냉동 ························································· 11
2. 냉동 용어 및 단위 ····································· 11
3. 냉동 방법 ················································· 17
◎ 예상문제 ·················································· 19

제2장 냉동 사이클
1. 기본 냉동 사이클 ······································ 22
2. 액체 냉각장치의 냉동 사이클 ····················· 23
3. 냉매 ·························································29
◎ 예상문제 ·················································· 37

제3장 몰리에르 선도
1. P～i 선도 ················································· 40
2. 기준 냉동 사이클의 P～i 선도 ···················· 40
3. 냉동장치 P～i 선도 계산 ···························· 41
4. 냉매 선도 ················································ 45
◎ 예상문제 ·················································· 50

제4장 압축기
1. 압축기의 종류 ·········································· 54
2. 왕복(동)식 압축기 ····································· 55
3. 압축 사이클 ············································· 56
4. 압축기의 특징 ·········································· 58
5. 윤활유 ····················································· 61
◎ 예상문제 ·················································· 63

제5장 응축기
1. 입형 셸 앤드 튜브식 응축기 ······················ 67
2. 이중관식 응축기 ······································· 68
3. 횡형 셸 앤드 튜브식 응축기 ······················ 69
4. 7통로 응축기 ··········································· 70
5. 대기식 응축기 ·········································· 71
6. 지수식 응축기 ·········································· 72
7. 증발식 응축기 ·········································· 72
8. 공랭식 응축기 ·········································· 73
9. 냉각탑 ····················································· 74
10. 불응축가스 ············································· 75
11. 응축기 방출열량 계산 ······························ 76
◎ 예상문제 ·················································· 78

제6장 팽창밸브
1. 역할 ························································ 82
2. 종류 ························································ 82
◎ 예상문제 ·················································· 89

제7장 증발기
1. 액냉매 공급에 따른 종류 ··························· 92
2. 냉각코일의 종류 ······································· 93
3. 액체냉각용 증발기 ···································· 95
◎ 예상문제 ·················································· 97

제8장 부속장치와 자동제어기기 및 운전
1. 부속기기 ·················································· 99
2. 자동제어기기 ··········································· 104
◎ 예상문제 ················································· 107

제2편 공기조화

제1장 공기조화 이론
1. 공기조화 일반 ······································· 113
2. 공기의 성질 ·········································· 115
3. 공기의 상태 ·········································· 116
4. 습공기 선도 ·········································· 118
5. 공기 선도의 실제 및 계산 ······················ 120
6. 공기조화 설비 ······································· 127
◎ 예상문제 ·············································· 137

제2장 공조부하
1. 냉방부하 ··············································· 141
2. 난방부하 ··············································· 147
◎ 예상문제 ··············································· 148

제3장 공조기기
1. 에어 핸들링 유닛 ···································· 151
2. 공기냉각코일, 증기코일의 설계 ················· 152
3. 에어 와셔의 설계 ···································· 153
4. 공기정화장치 ·········································· 154
5. 송풍기 ··················································· 155
6. 펌프 ······················································ 156
7. 열교환기 ··············································· 157
◎ 예상문제 ··············································· 159

제4장 난방설비
1. 난방의 종류 ··········································· 162
2. 보일러 ·················································· 162
3. 방열기 ·················································· 165
4. 온수난방 ··············································· 166
5. 증기난방 ··············································· 168
6. 복사난방 ··············································· 169
7. 지역난방 ··············································· 171
8. 온풍로난방 ············································ 172
◎ 예상문제 ··············································· 173

제5장 덕트설비
1. 토출구와 흡입구 ··································· 177
2. 실내공기 분포 ······································ 178
3. 덕트의 설계 ········································· 180
4. 환기설비 ·············································· 187
◎ 예상문제 ·············································· 188

제3편 전기제어공학

제1장 기초 전기 회로
1. 정전기 ················································· 193
2. 쿨롱의 법칙 ···········································193
3. 전위 ···················································· 194
4. 도체의 성질과 전기력선의 성질 ·············· 194
5. 전류 및 전류밀도 ································· 195
6. 옴의 법칙 ············································ 196
7. 전기저항 ·············································· 196
8. 키르히호프의 법칙 ································ 198
9. 줄열과 전력 ········································· 199
10. 계측기 결선 ········································ 200
◎ 예상문제 ·············································· 201

제2장 정전용량과 자기회로
1. 정전용량 ············································· 204
2. 정전용량의 접속 ·································· 205
3. 도체계의 에너지 ·································· 206
4. 정자계 ··············································· 206
5. 자기회로 ············································ 208
6. 전자유도 ············································ 209
◎ 예상문제 ············································ 211

제3장 교류 회로
1. 정현파 교류 ········································ 213
2. P?－?L －?C 회로의 특성 ····················· 215
3. 교류전력 ············································· 218
4. 2단자망 ·············································· 220
◎ 예상문제 ············································· 221

제4장 전기기기
1. 직류기 ················································ 224
2. 변압기 ················································ 226
3. 유도기 ················································ 228
◎ 예상문제 ············································· 232

제5장 자동 제어
1. 자동 제어계의 요소 ····························· 235
2. 시퀀스 제어 회로 ································ 237
3. 논리 시퀀스 회로 ································ 239
4. 피드백 제어계 ····································· 241
5. 라플라스 변환 ····································· 243
6. 전달함수 ············································· 244
◎ 예상문제 ············································· 246

제6장 제어기기와 정류회로
1. 제어기기 ·············································· 251
2. 서보전동기 ··········································· 254
3. 정류기 ················································· 255
4. 사이리스터 ··········································· 256
◎ 예상문제 ·············································· 259

제4편 배관일반

제1장 배관 재료
1. 강관 ····················································· 265
2. 주철관 ·················································· 267
3. 비철금속관 ············································ 268
4. 비금속관 ··············································· 269
◎ 예상문제 ··············································· 271

제2장 관 연결
1. 강관의 접합 ·········································· 274
2. 신축 이음 ············································· 277
3. 주철관의 접합 ······································· 278
4. 동관 접합 ············································· 279
◎ 예상문제 ··············································· 280

제3장 밸브와 여과기 및 트랩
1. 정지 밸브 ············································· 284
2. 조정 밸브 ············································· 286
3. 스트레이너 ············································ 287
4. 트랩 ····················································· 287
5. 관 지지금속 ··········································· 289
◎ 예상문제 ················································ 291

제4장 단열재와 배관제도
1. 단열재 ··················································· 294
2. 패킹 ······················································ 297
3. 페인트 ··················································· 298
4. 배관 도시 기호 ······································· 299
5. 배관 도면의 종류 ··································· 302
6. 치수 기입법 ············································302
◎ 예상문제 ··············································· 303

제5장 공조배관
1. 공기조화 배관 방식 ································ 308
2. 배관의 설계 ·········································· 310
3. 난방 배관 ············································· 314
4. 급배수 배관 ·········································· 318
5. 공기조화 배관 ······································· 322
6. 배관의 피복공사 ···································· 324
◎ 예상문제 ·············································· 325

제5편 기계 열역학

제1장 기초 열역학
1. 기계 열역학 ········································· 333
2. 열과 온도와의 상호관계 ························ 333
3. 동작물질과 계 ······································ 334
4. 열과 일 ··············································· 335
5. 열역학 제 1 법칙 ··································· 335
6. 엔탈피 ··················································· 335
7. P－V 선도 ·············································· 336
◎ 예상문제 ················································ 337

제2장 기체의 상태 변화
1. 완전가스의 정의 ······································· 340
2. 완전가스의 상태 방정식 ····························· 340
3. 가스의 상태 변화 ······································ 341
◎ 예상문제 ·················································· 346

제3장 열역학 제 2 법칙
1. 열역학의 표현 ··········································· 349
2. 카르노 사이클 ··········································· 349
3. 클라우지우스 적분 ····································· 350
4. 엔트로피 ··················································· 351
5. 완전가스 엔트로피의 변화량 ·························351
6. 완전가스의 엔트로피의 식과 상태 변화 ········ 352
7. 유효에너지와 무효에너지 ···························· 353
◎ 예상문제 ··················································· 354

제4장 증기
1. 증기의 성질 ·············································· 358
2. 증기의 열적 상태량 ··································· 358
3. 증기의 상태 변화 ······································ 360
◎ 예상문제 ·················································· 364

제5장 증기 원동소 사이클
1. 랭킨 사이클 ············································· 367
2. 재열 사이클 ············································· 369
3. 재생 사이클 ············································· 370
4. 재열－재생 사이클 ···································· 372
◎ 예상문제 ·················································· 375

제6장 기체 동력 사이클
1. 서론 ······················································· 378
2. 카르노 사이클 ········································· 378
3. 오토 사이클 ············································ 379
4. 디젤 사이클 ············································ 381
5. 사바테 사이클 ········································· 382
6. 브라이턴 사이클 ·································· 384
◎ 예상문제 ············································· 385

제7장 가스와 증기 유동
1. 유체의 유동 ········································ 388
2. 유동의 일반에너지식 ···························· 389
3. 노즐에서의 유동 ·································· 390
◎ 예상문제 ············································· 392

부록 과년도 출제문제
ㆍ 2011년도 시행 문제 ······························ 397
ㆍ 2012년도 시행 문제 ······························ 438
ㆍ 2013년도 시행 문제 ······························ 480
ㆍ 2014년도 시행 문제 ······························ 521
ㆍ 2015년도 시행 문제 ······························ 564
ㆍ 2016년도 시행 문제 ······························ 607
ㆍ 2017년도 시행 문제 ······························ 655
ㆍ 2018년도 시행 문제 ······························ 701
ㆍ 2019년도 시행 문제 ······························ 749

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