Chemical Engineering — Test 8
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Question 1
Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of__________________?
Question 2
Force between the molecules of the same substance is called ______________________ force?
Question 3
Quartz is a ________________ material ?
Question 4
The majority charge carriers in p-type silicon are______________________?
Question 5
Which of the following is the most suitable abrasive for grinding high tensile strength materials ?
Question 6
The noble metals________________?
Question 7
Unit of surface tension in S.I. unit is_________________?
Question 8
Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is ________________?
Question 9
Lead is poured into the joint between two _______________ pipes ?
Question 10
______________ circuit is most commonly used to measure strain with the help of a strain gauge?