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.Management Sciences
Author: Hamad
Main constituent of natural rubber is_________________?
A. Polystyrene
B. Polyisoprene
C. Polybutadiene
D. Poly chloroprene
Blast furnace gas constitutes mainly of_________________?
A. N2 & CH4
B. N2 & H2
C. N2 & CO
D. CH4 & CO2
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
A. 10 cm
B. 5 cm
C. 15 cm
D. 7.5 cm
Hysteresis is desirable in Schmitt-trigger, because______________?
A. Energy is to be stored/discharged in parasitic capacitances
B. Effects of temperature would be compensated
C. Devices in the circuit should be allowed time for saturation and desaturation
D. It would prevent noise from causing false triggering
Spengler and Toynbee deny_____________?
A. existence of upward progress
B. cyclic
C. cultural growth from simple to complex
D. None of these
Nor epinephrine is converted to epinephrine by______________?
A. Dopamine hydroxylase
B. Dopa decarboxylase
C. O-methylation
D. N-methylation
If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to___________________?
A. The intrinsic activation energy E
B. (E + ED) where ED is activation due to diffusion
C. (E + ED)/2
D. ED/2
Similar to import tariffs import quotas tend to result in ?
A. higher prices and reduced imports
B. increased government revenue
C. increased consumer surplus
D. decrease producer surplus
The cell wall of oomycetes is chiefly composed of___________?
A. Chitin
B. Cellulose
C. Lignin
D. Proteins
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