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Machine Design MCQs

Mechanical Engineering Objective Questions

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197. One otto is equal to
A. 10^(-15)
B. 10^9
C. 10^(-18)
D. 10^12
198. Units of thermal conductivity are
A. Ns/m^2
B. W/m°K
C. J/kg°K
D. J/°K
199. Units of entropy are
A. Ns/m^2
B. W/m°K
C. J/kg°K
D. J/°K
200. Units of specific heat are
A. Ns/m^2
B. W/m°K
C. J/kg°K
D. J/°K
201. Units of dynamic viscosity are
A. Ns/m^2
B. W/m°K
C. J/kg°K
D. J/°K
202. Series wound D.C. motor
A. Should always be started without load on
B. Should never be started without load on
C. Whether load is connected or not is immaterial
D. Is started with average load
203. In shunt wound D.C. motor
A. Speed is infinity at low load and very less at high load
B. Speed is maximum at no load and drops by 10 to 12% at full load
C. Speed remains constant at all the loads
D. Speed increases with increase in load

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