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.Management Sciences
Author: Hamad
Effective stress is______________?
A. the stress at particles contact
B. a physical parameter that can be measured
C. important because it is a function of engineering properties of soil
D. all of the above
Artificially produced radioactive isotopes are used for____________________?
A. Power generation
B. Treatment of certain diseases
C. Initiating nuclear fission and fusion
D. All A., B. and C.
Co-efficient of adhesion reduces due to the presence of which of the following ?
A. Sand on rails
B. Dew on rails
C. Oil on the rails
D. both B. and C.
Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2) ?
A. High speed steel
B. Stainless steel
C. Tungsten carbide
D. Superalloys
Section 17 of the Control of Narcotics Substances Act, 1997 deals with________________?
A. Obstructions to offenders
B. Obstructions to public
C. Obstructions to officers
D. All of above
Crowds and masses differ in that___________________?
A. masses are not personally connected to one another
B. people in a crowd are in close proximity to one another
C. collective behavior cannot take place in masses
D. masses of people must always be in the same physical setting
Coke ovens in steel plant are heated by ___________________?
A. Electricity
B. Coke oven gas
C. Mixed gas
D. Both B. & C.
Stroke output of each ventricle in normal adult is_____________?
A. 30 ml
B. 130 ml
C. 70 ml
D. 5 liters
An alternating current or voltage________________?
A. fluctuates off and on
B. varies in magnitude alone
C. changes its direction again and again
D. changes its magnitude continuously and reverses its direction of flow after regularly recurring intervals.
Diamagnetic materials___________________?
A. Are magnetised by eddy currents only
B. Are non-magnetic and cannot be magnetised
C. Are magnetised in direction opposite to the magnetic field
D. Can be magnetised in one direction only
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