The area of pv diagram for a Carnot cycle represents
A.Work done
B.Temperature drop
C.Enthalpy drop
D.Total heat supplied
E.Volume and pressure ratios.
Category: Mechanical Engineering Mcqs
For zenith angle of 60? at sea level air mass is
A.0
B.1
C.2
D.3
Which of the following angles is aero at solar sunset?
A.Latitude angle
B.Hour angle
C.Solar zenith angle
D.Solar altitude angle
The desirable temperature of portable water is
A.zero degree centigrade
B.10?C
C.20?C
D.27?C
E.37?C
Geometric similarity between model and prototype means
A.The similarity of discharge
B.The similarity of linear dimensions
C.The similarity of motion
D.The similarity of forces
PERT stands for
A.Project estimation and return times
B.Planning estimation, review techniques
C.Project evaluation and review techniques
D.Puching edging and review techniques
E.Precise Estimation and Results Technique
Which one is different from the other in press work?
A.Blanking
B.Punching
C.Perforating
D.Slitting
E.Seaming
Barter system can work successfully when
A.people are fully educated
B.society is developed
C.wants are limited
D.demand is equal to supply
Which of the following condition of rail surface will offer the least resistance?
A.Very wet
B.Very dry
C.Average dampness
D.Greasy
