Mechanical Engineering MCQs

2075 MCQs  (Page 188 of 208)

Attempt Mechanical Engineering Mcqs Quiz
Corrosion resistance of steel is increased by addition of________________?
A. Chromium and nickel
B. Sulphur, phosphorus, lead
C. Vanadium, aluminium
D. Tungsten, molybdenum, vanadium, chromium
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Maximum percentage of carbon in ferrite is___________________?
A. 0.025%
B. 0.06%
C. 0.1%
D. 0.25%
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Railway rails are normally made of_______________?
A. Mild steel
B. Alloy steel
C. High carbon
D. Tungsten steel
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Pick up the wrong statement Nickel and chromium in steel help in _________________?
A. Providing corrosion resistance
B. Improving machining properties
C. Providing high strength at elevated temperatures
D. Raising the elastic limit
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Eutectoid steel contains following percentage of carbon_______________?
A. 0.02%
B. 0.3%
C. 0.63%
D. 0.8%
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Basic constituents of Monel metal are _________________?
A. Nickel, copper
B. Nickel, molybdenum
C. Zinc, tin, lead
D. Nickel, lead and tin
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Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?
A. silver metal
B. duralumin
C. hastelloy
D. monel metal
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By severely deforming a metal in a particular direction it becomes _________________?
A. ductile
B. malleable
C. homogeneous
D. isotropic
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An engineer’s hammer is made of___________________?
A. Cast iron
B. Forged steel
C. Mild steel
D. High carbon steel
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The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as________________?
A. Hysteresis
B. Creep
C. Visco elasticity
D. Boeschinger effect
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Word of the Day
27 Sep
Undesirable
not wanted or desirable because harmful, objectionable, or unpleasant.
غیر مطلوب، ناروا، نامناسب

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