2015년 공조냉동기계기능사 5회차 22번 - 기출문제 및 해설
문제 1
왕복 압축기에서 이론적 피스톤 압출량(
m
3
/
h
\rm m^3/h
m
3
/h
)의 산출 식으로 옳은 것은? (단, 기통수
N
N
N
, 실린더 내경
D
[
m
]
D\rm [m]
D
[
m
]
, 회전수
R
[
r
p
m
]
R\rm [rpm]
R
[
rpm
]
, 피스톤행정
L
[
m
]
L\rm [m]
L
[
m
]
이다.)
1.
V
=
D
⋅
L
⋅
R
⋅
N
⋅
60
V=D\cdot L\cdot R\cdot N\cdot 60
V
=
D
⋅
L
⋅
R
⋅
N
⋅
60
2.
V
=
(
π
/
4
)
⋅
D
⋅
L
⋅
R
⋅
N
V=(\pi/4)\cdot D\cdot L\cdot R\cdot N
V
=
(
π
/4
)
⋅
D
⋅
L
⋅
R
⋅
N
3.
V
=
(
π
/
4
)
⋅
D
⋅
L
⋅
R
⋅
N
⋅
60
V=(\pi/4)\cdot D\cdot L\cdot R\cdot N\cdot 60
V
=
(
π
/4
)
⋅
D
⋅
L
⋅
R
⋅
N
⋅
60
4.
V
=
(
π
/
4
)
⋅
D
2
⋅
L
⋅
R
⋅
N
⋅
60
V=(\pi/4)\cdot D^2\cdot L\cdot R\cdot N\cdot 60
V
=
(
π
/4
)
⋅
D
2
⋅
L
⋅
R
⋅
N
⋅
60
💡 로그인하면 학습 진행률이 자동으로 저장되고, 북마크와 오답노트를 사용할 수 있습니다.
이전
다음