The function of a chip breaker in a cutting tool is
A.To provide smooth path for long chips
B.To get long curled chips
C.To break the chips into short segrments
D.To remove chips from bed
E.None of the above
Category: Mechanical Engineering Mcqs
The atomic number of a certain element is 83. An atom of this element must contain
A.42 protons and 41 electrons
B.83 neutrous
C.1 neutron, 41 electrons and 41 protons
D.83 electrons
E.None of the above is valid
Continuous beams are
A.Stronger and much stiffer than simple beams
B.Weaker and less stiffer than simple beams
C.Subjected to excessive shear strain
D.Withstanding double the maximum bending moment on simple beams
E.None of the above
The loss of strength in compression due to overloading is known as _________________?
A.Creep
B.Bauschinger effect
C.Relaxation
D.Resilience
E.Hysteresis
The deflection of a beam may be reduced by ____________?
A.decreasing the depth of beam
B.increasing the span
C.providing greater end restrains
D.any of the above methods
Continue reading “The deflection of a beam may be reduced by ____________?”
If a centrifugal pump is noisy in operation, the cause may be________________?
A.Priming faulty
B.Suction head too high
C.Air in water
D.Discharge head too high
E.Mechanical defect
Continue reading “If a centrifugal pump is noisy in operation, the cause may be________________?”
Isochronism in a governor is desirable when_____________?
A.The engine operatres at low speeds
B.The engine operates at high speeds
C.The engine operates at variable speeds
D.One speed is desired to be kept for all loads
E.One speed is desired under one load
Continue reading “Isochronism in a governor is desirable when_____________?”
Two units are homologous when they are geometrically similar and have _______________?
A.Similar stream lines
B.Same Reynolds number
C.Same efficiency
D.Same Froud’s number
E.None of these answers
The slope of constant pressure line on temperature entropy diagram is given by________________?
A.S/T
B.T/S
C.Cp/T
D.T/Cp
E.90?
