A dummy activity completes the logical concept and it has
A.no duration
B.very short duration
C.proportional duration
D.long duration
Category: Mechanical Engineering Mcqs
In commercial vehicle layouts engine is located forward, rear or under floor mainly to
A.Better utilise the space
B.Increase fuel economy
C.Have better weight distribution
D.Reduce the weight of chassis
E.Minimize the tendency to over turn
A mechanism is an assembly of
A.two links
B.three links
C.only four links
D.four or more than four links
A cannon of weight 10 tonnes fires a shell of 50 kg with a muzzle velocity of 900 m/sec at an angle of 30?. The time taken for the shell to emerge from the barrel is 0.004 sec. The velocity of the cannon would be
A.1.95 m/sec
B.3.9 m/sec
C.5.85 m/sec
D.7.8 m/sec
E.8.95 m/sec
A positive infinitely variable (P.I.V.) system utilises
A.Variable pitch chain drive system
B.Hydraulic variable speed drive
C.Rolling contact variable speed
D.Vee belt variable speed system
E.None of the above
DIN standards are used in
A.India
B.Germany
C.Britain
D.France
E.USSR
A load cell cannot be used to measure
A.Weight
B.Temperature
C.Level
D.Pressure
E.All of the above
The safe working pressure for a spherical vessel 1.5 m diameter and 1.5 cm wall thickness with limiting tensile stress of 450 kg/cm2 would be
A.4.5 km/cm3
B.9 kg/cm2
C.18 kg/cm2
D.36 kg/cm2
E.45 kg/cm2
In a vapour absorption system as compared to vapour compression system, the compressor is replaced by
A.Evaporator
B.Receiver
C.Expansion valve
D.Conderser
E.Absorber and generator
The value of acceleration due to gravity is 980 cm/sec2. Its value in meter per (hour)2 will be
A.127
B.1270
C.1.27 x 108
D.1.27 x 107
E.1270000
