Small end of a connecting rod forging is
A.Super finished
B.Lapped
C.Honned
D.Ground
E.Broached
Category: Mechanical Engineering Mcqs
Common causes for excessive oil consumption include
A.Heavy oil and light bearings
B.High speed and worn engine
C.Short trips and cold weather
D.Frequent oil changes
E.Defective radiator
The horse power to weight ratio of a diesel engine may be expected to be of the order of
A.10 to 15 kg/HP
B.25 to 35 kg/HP
C.45 to 50 kg/HP
D.85 to 100 kg/HP
For a self locking lifting machine, the efficiency must be
A.100 percent
B.more than 50 percent
C.50 percent
D.less than 50 percent
Which of the following method can be used for heating wood?
A.Carbon arc heating
B.Tungsten arc heating
C.Dielectric heating
D.Oil burner heating
E.Resistance heating
Bit is the unit of
A.Amount of rain recorded
B.Memory of computer
C.Quantity of electricity
D.Intensity of an earthquake
E.None of these
The angle during which both the inlet and exhaust valves remain open simultaneously, is known as
A.exhaust value angle
B.value angle
C.value overlap
D.none of the above
A difference of temperature between the two junctions of a thermocouple will produce
A.a flow of holes
B.a voltage difference between the two junctions
C.melting of wires
D.no measureable effect
The presence of sulphur in pig iron makes
A.It hard
B.It brittle
C.It malleable
D.It machinable
E.Its casting unsound
During the boiling of a liquid, which of the following parameter increases?
A.Temperature
B.Free energy
C.Entropy
D.Heat of vaporisation
E.None of the above
