Polyethylene is produced by
A.Condensation polymerization
B.Addition polymerization
C.Colpolymerization of ethylene monomers
D.None of the above
Category: Mechanical Engineering Mcqs
Which of the following refrigerant has the lowest specific volume?
A.Freon 12
B.Freon 22
C.Carbondioxide
D.Ammonia
E.All the refrigerants have identical specific volume
Analysis of an operation, when carried out in terms of individual motions of a worker is known as
A.work analysis
B.motion analysis
C.operation analysis
D.None of the above
Connecting rod is attached to the piston by the
A.Rod cap
B.Piston pin
C.Cap bolt
D.Lower cap
E.Cap roller bearing
Solar cells are made of
A.Silica
B.Steel
C.Sulphur
D.Antimony
E.Phosphorous
When a normal atom loses an electron, the atom
A.Becomes a positive ion
B.Becomes a negative ion
C.Becomes a electrically neutral
D.Is then free to move about
E.None of the above
If the two specific heats of a gas are 0.237 and 0.169 respectively, the volume of 3 kg of air at 27?C under a pressure of 3 ata would be
A.0.204 cu-m
B.1 cu-m
C.1.5 cu-m
D.1.74 cu-m
E.2.5 cu-m
Spot facing is
A.Localised machining of a component
B.Machining of a spot to fit other parts
C.Mahining of spol on the surface of a part to furnish a flat bearing or the head of a holt or nut
D.A spot prepared on shaper or milling machine
E.None of above
Under force voltage analogy, viscous friction coefficient is not considered analogous to
A.Charge
B.Multual inductance
C.Capacitance
D.Resistance
E.Current
An expression for the hour angle ? is where ts is the solar time in hours
A.? = 15(ts-6)
B.? = 15(ts+6)
C.? = 15(ts-12)
D.? = 15(ts-12)
