Related Questions

A garments factory employs 3 categories of workers K, M and N. The efficiency of the 3 categories of workers to do a specific task is in the ratio of 3 : 5 : 6 respectively and the factory employs 15 of category K, 12 of category M and 3 of category N. If the total wages paid to the entire group of 30 workers is Tk. 492 per hour, what will be the wages earned by a category N worker for an 8-hour day?
A Tk. 144
B Tk. 72
C Tk. 192
D Tk. 576
Q.(1-4): Answer the questions on the basis of the information given below. * F,G and H are insurance companies , Q,R,S and T are private detectives .Each detective works for at least one of the insurance companies. * Q always works for F and at least one of the other companies. Some of the time G employs only one of these detectives,' the rest of the time it employs exactly two of them. *F and H each employ exactly two of these detectives all the time. If R works for H only, and if S works for G and H only, T works for--
A F only
B G only
C H only
D both F and G
Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm.
A 3-5
B 25-30
C 60-65
D 95-100
The 'bomb' in the bomb calorimeter is made of
A Molybdenum stainless steel
B Mild steel
C High silicon iron (14% Si)
D Copper
Who developed Hydrogen Bomb?
A Wernher Von Braun
B J. Robert Oppen Heimer
C Edward Teller
D Samuel Cohen
The phenomenon occurring during explosion of a hydrogen bomb is
A Nuclear fission
B Nuclear fusion
C A combination of both nuclear fission & fusion
D None of these
What was the name of the nuclear bomb that the US detonated over Nagasaki ?
A Fat Man
B Little Boy
C Thin man
D Flying Man
"The three most important inventions of this century are the nuclear bomb, the high yield hybrid speed, and the computer". Can you name the person who made this statement?
A Harry R Jordan
B Buckminster Fuller
C Jack Smith
D Jan Timmer
E None of the above
The sun generates energy from nuclear fusion of ---
A Oxygen and Hydrogen
B Hydrogen and Helium
C Helium and Oxgen
D Oxygen and Nitrogen
Which one of the following takes place during a nuclear fusion?
A a heavy nucleus bombarded by neutrons breaks up
B a heavy nucleus breaks up spontaneously
C two light nuclei combine to form a heavy nucleus
D a light nucleus breaks up spontaneously

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