Core prints are
A.made separately in the mould by hand
B.made in the mould be separate pattern
C.attached to pattern
D.none of the above
Category: Mechanical Engineering Mcqs
Apprenticeship training is applicable to
A.All industries
B.Only large industries
C.Only medium and large industries
D.Only small scale industries
E.Industries employing more than 500 workers
Death is almost certain when the current through human body is
A.10 micro-amperes
B.25 micro-amperes
C.100 micro-amperes
D.10 milli-amperes
E.100 milli-amperes
By using large thread angles in lifting machine
A.The mechanical advantage will be high
B.The load will be sustained in absence of the other
C.The load will be easily lifted
D.The mechanical advantage will be low
E.While unloading, little effort will be required
A drawback is employed when
A.the pattern is too bulky
B.the pattern is too long
C.the pattern cannot be drawn from mould due to projection
D.the pattern is not made of wood
Solidification time for riser should be
A.less than that of the casting
B.same as that for the casting
C.more than that of the casting
In case of copper, the pouring temperature is around
A.1450?C
B.1260?C
C.1160?C
D.1060?C
For normalizing, steel is heated to
A.700?C
B.900?C
C.100?C below critical temperature
D.Critical temperature
E.30?C to 60?C above critical temperature
Phenolic thermo-setting plastics are finding application in pattern making because
A.they do not absorb moisture
B.they are strong
C.they are resistant to wear
D.they have all above qualities
An atom containing an odd number of electrons is said to be
A.Diamagnetic
B.Hypermagnetic
C.Paramgnetic
D.Ferromagnetic
E.Dielectric
