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.Management Sciences
Author: Hamad
When sociologists study the structure of layers in society and people’s movement between them they call this____________?
A. social stratification
B. social control
C. social conflict
D. social solidarity
Which of the following is true ?
A. Students with low levels of self-esteem and low levels of confidence tend to do poorly in school
B. Students are seldom able to evaluate their own abilities
C. Lower-class students do as well academically as those from higher social classes
D. Testing consistently low does not affect a students self-confidence
________ occurs when a firm disposes on foreign markets a temporary increases in inventories caused by unforeseen changes in supply and demand conditions in the home economy?
A. sporadic dumping
B. predatory dumping
C. persistent dumping
D. foreign dumping
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is_________________?
A. one-half
B. one-third
C. one-fourth
D. one-fifth
E. two-fifth
Reason for operating an evaporator in multiple effects is to secure ___________________?
A. Increased steam economy
B. Decreased steam consumption
C. Both A. and B.
D. Increased capacity
Primary treatment of sewage consists of removal of__________________?
A. Large suspended organic solids
B. Oil and grease
C. Sand and girt
D. Floating materials
In a capacitor the electric charge is stored in____________?
A. metal plates
B. dielectric
C. both (A) and (B)
D. none of the above
Who coin the term genetic load _____________?
A. Hardy (1908)
B. Muller (1950)
C. Ford (1940)
D. Satisbury (1940)
Which of the following is a batch sedimentation equipment ?
A. Dust catcher
B. Filter thickener
C. Dry cyclone separator
D. Rotary sprayer scrubber
Presence of free moisture in coal during its high temperature carbonisation _____________________?
A. Reduces the coking time
B. Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot
oven walls
C. Increases the loss of fine coal dust from the ovens when charging
D. None of these
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