1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A scientist says that the efficiency of his heat engine which work at source temperature 127oC and sink temperature 27oC is 26%, then
A
it is impossible
B
it is possible but less probable
C
it is quite probable
D
data are incomplete.
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
To find out degree of freedom, the expansion is
A
$$f = {2 \over {\gamma - 1}}$$
B
$$f = {{\gamma + 1} \over 2}$$
C
$$f = {2 \over {\gamma + 1}}$$
D
$$f = {1 \over {\gamma + 1}}$$
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The (W/Q) of a Carnot engine is 1/6, now the temperature of sink is reduced by 62oC, then this ratio becomes twice, therefore the initial temperature of the sink and source are respectively
A
33oC, 67oC
B
37oC, 99oC
C
67oC, 33oC
D
97 K, 37 K
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12