Maximum principal stress theory is applicable for
A.Elastic materials
B.Plastic materials
C.Ductile materials
D.Brittle materials
E.None of the above
Category: Mechanical Engineering Mcqs
Engine starter motor is
A.Single phase A.C. motor
B.D.C. series motor
C.D.C. shunt motor
D.D.C. compound motor
E.Synchronous motor
Which of the following is a cold cathode lamp?
A.Sodium vapour lamp
B.High pressure mercury vapour lamp
C.Low pressure mercury vapour lamp
D.Neon lamp
Permalloy is
A.A non-ferrous alloy used in aircraft industry
B.A non-ferrous alloy containing nickel copper and chromium
C.An nickel and iron alloy having high permeability
D.A kind of stainless steel
E.An alloy similar to carbides
The location of riser least depends on
A.the metal to be cast
B.the size of core
C.design of casting
D.feasibility of directional solidification
The diverging portion of the nozzle acts as a diffuser for
A.the subsonic flow
B.the supersonic flow
C.both the subsonic as well as supersonic flow
D.none of the above
In a four stroke engine if a valve opens 25? before B.D.C. and closes 10? after T.D.C. the valve should be
A.Inlet valve
B.Exhaust valve
C.Puppet valve
D.Spring valve
E.Cam valve
The symptoms of sickness of an industry are
A.failure to pay statutory liabilities
B.failure to pay timely instalment of principal and interest on loan
C.low capacity utilisations
D.All of the above
The information used to evaluate how successful a manager is in achieving planned objectives in included
A.Profit plan or budgets
B.Financial statements
C.Proforma statements
D.Performance reports
E.None of the above
