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.Management Sciences
Category: Mechanical Engineering Mcqs
Thermal conductivity of water at 20°C is of the order of_____________________?
A. 0.1
B. 0.23
C. 0.42
D. 0.51
E. 0.64
Which of the following processes are thermodynamically reversible___________________?
A. throttling
B. free expansion
C. constant volume and constant pressure
D. hyperbolic and pV = C
E. isothermal and adiabatic
The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become________________?
A. wet
B. superheated
C. remain dry satruated
D. dry
E. none of the above
The locus of a point on a thread unwound from a cylinder will be___________________?
A. a straight line
B. a circle
C. involute
D. cycloidal
E. helix
The ratio of absolute viscosity to mass density is known as_________________?
A. specific viscosity
B. viscosity index
C. kinematic viscosity
D. coefficient of viscosity
E. coefficient of compressibility
Which of the following elements does not impart hardness to steel__________________?
A. copper
B. chromium
C. nickel
D. silicon
E. none of the above
A cycle consisting of two adiabatics and two constant pressure processes is known as___________________?
A. Otto cycle
B. Ericsson cycle
C. Joule cycle
D. Stirling cycle
E. Atkinson cycle
The diameter of cylindrical shell of the Lancashire boiler is of the order of__________________?
A. 1 tp 1.25m
B. 1 to 1.75 m
C. 2 to 4 m
D. 1.75 to 2.75 m
E. 2.25 to 4.5 m
A mechanism is an assemblage of ____________________?
A. two links
B. three links
C. four links or more than four links
D. all of the above
E. none of the above
The linear programming techniques can be applied successfully to industries like_________________?
A. iron and steel
B. food processing
C. oil and chemical
D. banking
E. all of the above
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