一热机以烟气定压从800℃降温至150℃放出的热量作为高温热源的热量,烟气定压放热的比热容c=1.1kJ/(kg•K),以27℃的环境大气作为低温热源,则每kg烟气放出的热量为:
A.1015.3 kJ
B.715.0 kJ
C.414.7 kJ
D.无法确定
- · 有3位网友选择 B,占比33.33%
- · 有3位网友选择 D,占比33.33%
- · 有2位网友选择 A,占比22.22%
- · 有1位网友选择 C,占比11.11%
A.1015.3 kJ
B.715.0 kJ
C.414.7 kJ
D.无法确定
A、307.18 kJ/(kg•K)
B、-307.18 kJ/(kg•K)
C、552.41 kJ/(kg•K)
D、-552.41 kJ/(kg•K)
A、407.82 kJ/(kg•K)
B、307.82 kJ/(kg•K)
C、262.59 kJ/(kg•K)
D、162.59 kJ/(kg•K)
A、215.4kJ/kg,301.5kJ/kg,0.6974kJ/(kg•K)
B、215.4kJ/kg,301.5kJ/kg,0.4122kJ/(kg•K)
C、301.5kJ/kg,215.4kJ/kg,0.6974kJ/(kg•K)
D、301.5kJ/kg,215.4kJ/kg,0.4122kJ/(kg•K)
A、0.200 MPa,0.100 MPa
B、0.100 MPa,0.200 MPa
C、0.267 MPa,0.033 MPa
D、0.033 MPa,0.267 MPa
A、32g,4g,0.111
B、32g,2g,0.0599
C、32g,4g,0.889
D、32g,2g,0.9411
A、51.68 kJ,180.9 kJ
B、180.9 kJ,51.68 kJ
C、51.68 kJ,51.68 kJ
D、180.9 kJ,180.9 kJ
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