Which conveyor can be used for handling wood chips?
A.Belt conveyor
B.Pneumatic conveyor
C.Screw conveyor
D.Any of the above
Category: Mechanical Engineering Mcqs
The radiative heat loss between the top cover of flat-plate solar collector at a temperature of Tp(K) and ambient air at a temperature of Ta(K) is proportional to
A.Tp4 + Ta4
B.Tp – Ta
C.Tp4 – Ta4
D.Tp2 – Ta2
The refrigerant used for the air-conditioning of passenger aircraft cabin is
A.Ammonia
B.Freon 11
C.Freon 12
D.Carbondioxide
E.Air
Affirmative ratio affects which staffing and appraisal subsets.
A.Recuitment
B.Selection
C.Placement
D.Appraisal
E.All of the above
Which one of the following methods be used for turning internal tapers only?
A.Compound rest
B.Tailstock offset
C.Taper attachment
D.Form tool
E.Reamer
Monte Carlo simulation of queues is used when
A.arrival time distributions are not standard
B.service time distributions are not standard
C.mathematical analysis cannot be adopted
D.All of the above
In case of obstruction meters used for flow measurement, pressure recovery is maximum in the case of
A.venturi
B.flow nozzle
C.orifice
D.None of the above
Generally for the melting of cast iron, electric furnaces are not used because
A.cast iron is in the form of broken pieces
B.cast iron requires higher temperature for heating
C.the rate of heating required for melting cast iron connot be provided by electric furnaces
D.It is expensive to use electricity for melting of cast iron
In case of spur gears the flank of the tooth is
A.The part of the tooth surface lying below the pitch surface
B.The curve forming face and flank
C.The width of the gear tooth measured axially along the pitch surface
D.The surface of the top of the tooth
E.Radius that connects in the root circle to the profile of the tooth
The correct order of cooling media for decreasing cooling rate is
A.Air, water, oil, fused salt
B.Water, air, fused salt, oil
C.Oil, fused salt, air, water
D.Water, oil, fused alst, air
