Mechanical Engineering MCQs

2075 MCQs  (Page 76 of 208)

Attempt Mechanical Engineering Mcqs Quiz
The advantage of the piston valve over D-slide valve is that in the former case____________________?
A. Wear is less
B. Power absorbed is less
C. Both wear and power absorbed are low
D. The pressure developed being high provides tight sealing
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With single Hooke’s joint it is possible to connect two shafts, the axes of which have an angular misalignment up to ________________?
A. 10°
B. 20°
C. 30°
D. 40°
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The Klein’s method of construction for reciprocating engine mechanism _______________?
A. Is based on acceleration diagram
B. Is a simplified form of instantaneous center method
C. Utilises a quadrilateral similar to the diagram of mechanism for reciprocating engine
D. Enables determination of corioli’s component
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It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by_______________?
A. Universal joint
B. Knuckle joint
C. Oldham’s coupling
D. Flexible coupling
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In elliptical trammels_________________?
A. All four pairs are turning
B. Three pairs turning and one pair sliding
C. Two pairs turning and two pairs sliding
D. One pair turning and three pairs sliding
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The Hooke’s joint consists of ____________________?
A. Two forks
B. One fork
C. Three forks
D. Four forks
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The e.g. of a link in any mechanism would experience_________________?
A. No acceleration
B. Linear acceleration
C. Angular acceleration
D. Both angular and linear accelerations
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Flexible coupling is used because _____________________?
A. It is easy to disassemble
B. It is easy to engage and disengage
C. It transmits shocks gradually
D. It prevents shock transmission and eliminates stress reversals
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The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is______________________?
A. Flexible coupling
B. Universal coupling
C. Chain coupling
D. Oldham’s coupling
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the chain is constrained when_________________?
A. L.h.s. = r.h.s.
B. L.h.s. r.h.s.
D. There is no such criterion for checking above requirement
E. None of the above
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Word of the Day
28 Sep
Expatriate
a person who lives outside their native country.
ملک بدری، جلا وطن کرن، شہر بدر کرنا

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