2020 공조냉동기계 산업기사 필기 총정리

제1편 냉동공학

제1장 열역학
1. 기계 열역학 ················································· 11
2. 열과 온도와의 상호관계 ································ 11
3. 동작물질과 계(system) ································· 12
4. 열과 일 ······················································ 13
5. 열역학 제 1 법칙 ········································ 13
6. 엔탈피(enthalpy) ········································· 13
7. P－V 선도 ·················································· 14
8. 완전가스의 정의 ·········································· 15
9. 완전가스의 상태 방정식 ······························· 15
10. 가스의 상태 변화 ······································ 16
・ 예상문제 ···················································· 21

제2장 기초 냉동
1. 냉동 ·························································· 24
2. 냉동 용어 및 단위 ······································ 24
3. 냉동 방법 ·················································· 30
・ 예상문제 ··················································· 32

제3장 냉동 사이클
1. 기본 냉동 사이클 ······································ 35
2. 액체 냉각장치의 냉동 사이클 ····················· 36
3. 냉매 ························································ 42
・ 예상문제 ·················································· 50

제4장 몰리에르 선도
1. P~i 선도 ················································· 52
2. 기준 냉동 사이클의 P~i 선도 ···················· 52
3. 냉동장치 P~i 선도 계산 ·························· 53
4. 냉매 선도 ··············································· 57
・ 예상문제 ················································ 62

제5장 압축기
1. 압축기의 종류 ········································ 65
2. 왕복(동)식 압축기 ··································· 66
3. 압축 사이클 ··········································· 67
4. 압축기의 특징 ········································ 69
5. 윤활유 ··················································· 72
・ 예상문제 ················································ 74
제6장 응축기
1. 입형 셸 앤드 튜브식 응축기 ··················· 77
2. 이중관식 응축기 ···································· 78
3. 횡형 셸 앤드 튜브식 응축기 ··················· 79
4. 7통로 응축기 ········································ 80
5. 대기식 응축기 ······································· 81
6. 지수식 응축기 ······································· 82
7. 증발식 응축기 ······································· 82
8. 공랭식 응축기 ······································· 83
9. 냉각탑 ················································· 84
10. 불응축가스 ········································· 85
11. 응축기 방출열량 계산 ·························· 86
・ 예상문제 ·············································· 88

제7장 팽창밸브
1. 역할 ···················································· 91
2. 종류 ···················································· 91
・ 예상문제 ·············································· 98

제8장 증발기
1. 액냉매 공급에 따른 종류 ······················ 101
2. 냉각코일의 종류 ·································· 102
3. 액체냉각용 증발기 ······························· 104
・ 예상문제 ············································· 106

제9장 부속장치와 자동제어기기 및 운전
1. 부속기기 ············································· 108
2. 자동제어기기 ······································· 113
・ 예상문제 ············································· 116

제2편 공기조화

제1장 공기조화 이론
1. 공기조화 일반 ······································· 121
2. 공기의 성질 ·········································· 123
3. 공기의 상태 ·········································· 124
4. 습공기 선도 ·········································· 126
5. 공기 선도의 실제 및 계산 ······················· 128
6. 공기조화 설비 ······································· 135
・ 예상문제 ··············································· 145

제2장 공조부하
1. 냉방부하 ·············································· 148
2. 난방부하 ·············································· 154
・ 예상문제 ·············································· 155

제3장 공조기기
1. 에어 핸들링 유닛 ································· 157
2. 공기냉각코일, 증기코일의 설계 ·············· 158
3. 에어 와셔의 설계 ································· 159
4. 공기정화장치 ······································· 160
5. 송풍기 ················································ 161
6. 펌프 ··················································· 162
7. 열교환기 ············································· 164
・ 예상문제 ············································· 165

제4장 난방설비
1. 난방의 종류 ········································· 167
2. 보일러 ················································· 167
3. 방열기 ················································· 170
4. 온수난방 ·············································· 171
5. 증기난방 ·············································· 173
6. 복사난방 ·············································· 174
7. 지역난방 ·············································· 176
8. 온풍로난방 ··········································· 177
・ 예상문제 ·············································· 178

제5장 덕트설비
1. 토출구와 흡입구 ··································· 181
2. 실내공기 분포 ······································ 182
3. 덕트의 설계 ········································· 184
4. 환기설비 ············································· 191
・ 예상문제 ············································· 192

제3편 전기제어공학

제1장 기초 전기 회로
1. 정전기 ················································· 197
2. 쿨롱의 법칙 ········································· 197
3. 전위 ···················································· 198
4. 도체의 성질과 전기력선의 성질 ·············· 198
5. 전류 및 전류밀도 ································· 199
6. 옴의 법칙 ··········································· 200
7. 전기저항 ············································· 200
8. 키르히호프의 법칙 ······························· 202
9. 줄열과 전력 ········································ 203
10. 계측기 결선 ······································ 204
・ 예상문제 ············································· 205

제2장 정전용량과 자기회로
1. 정전용량 ············································· 207
2. 정전용량의 접속 ·································· 208
3. 도체계의 에너지 ·································· 209
4. 정자계 ················································ 209
5. 자기회로 ············································· 211
6. 전자유도 ············································· 212
・ 예상문제 ············································· 214

제3장 교류 회로
1. 정현파 교류 ········································· 216
2. P－L－C회로의 특성 ····························· 218
3. 교류전력 ·············································· 221
4. 2단자망 ··············································· 223
・ 예상문제 ·············································· 224

제4장 전기기기
1. 직류기 ················································· 226
2. 변압기 ················································· 228
3. 유도기 ················································· 230
・ 예상문제 ·············································· 234

제5장 자동 제어
1. 자동 제어계의 요소 ······························ 236
2. 시퀀스 제어 회로 ································· 238
3. 논리 시퀀스 회로 ································· 240
4. 피드백 제어계 ······································ 242
5. 라플라스 변환 ······································ 244
6. 전달함수 ·············································· 245
・ 예상문제 ·············································· 247

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 관연결
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 ············································ 283
2. 조정 밸브 ············································ 285
3. 스트레이너 ··········································· 286
4. 트랩 ···················································· 286
5. 관 지지금속 ········································· 288
・ 예상문제 ·············································· 290

제4장 단열재와 배관제도
1. 단열재 ················································· 293
2. 패킹 ···················································· 296
3. 페인트 ················································· 298
4. 배관 도시 기호 ····································· 299
5. 배관 도면의 종류 ·································· 301
6. 치수 기입법 ·········································· 301
・ 예상문제 ·············································· 302

제5장 공조배관
1. 공기조화 배관 방식 ······························· 306
2. 배관의 설계 ·········································· 308
3. 난방 배관 ············································· 312
4. 급배수 배관 ·········································· 316
5. 공기조화 배관 ······································· 320
6. 배관의 피복공사 ···································· 322
・ 예상문제 ·············································· 323

부록 과년도 출제문제
∙ 2011년도 시행 문제 ································· 331
∙ 2012년도 시행 문제 ································· 360
∙ 2013년도 시행 문제 ································· 391
∙ 2014년도 시행 문제 ································· 421
∙ 2015년도 시행 문제 ································· 454
∙ 2016년도 시행 문제 ································· 489
∙ 2017년도 시행 문제 ································· 524
∙ 2018년도 시행 문제 ································· 560
∙ 2019년도 시행 문제 ································· 595