Chemical Engineering Basics Mcqs

Q.  Laser is a device to produce___________________?

a. Gamma rays
b. Microwaves
c. A beam of white light
d. A beam of coherent light


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The boiling & freezing points on a newly defined temperature scale in degree ‘D’ are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to _____________ °D ?
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MCQs:  Difference at any instant between the value of the controlled variable and the set point is called the__________________?
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MCQs:  Cementite is in the lamellar form in the _____________________ phase of steel ?
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MCQs:  Brazing is the joining of metals_____________________?
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MCQs:  Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of_________________?
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MCQs:  Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be_____________________?
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MCQs:  Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
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MCQs:  Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of_____________________?
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MCQs:  The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the___________________?
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MCQs:  The substance used as a smoke screen in warfare is___________________?
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MCQs:  Increasing sulphur content in pig iron tends to make it ________________?
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MCQs:  Fahrenheit and Centigrade scales have the same readings at _____________________?
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MCQs:  For separating small pieces of metal from engine oil of a car, the best separating technique is the _____________________ ?
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MCQs:  In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?
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MCQs:  In TIG welding, thoriated tungsten electrodes are used, because it ____________________?
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MCQs:  The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased ___________________ times ?
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MCQs:  A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material ?
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MCQs:  The dimensional formula of bulk modulus of elasticity is same as that of the ____________________?
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MCQs:  Working of linear variable differential transducer (LVDT) is based on the principle of variable_____________________?
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MCQs:  A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?
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