Q.46Ans 1.2.3.4.Correct Ans Provided: 4

Q.42 Which of the following costs is considered under direct cost in a welding operation?Ans 1. Cost of welding fixtures 2. Cost of welding electrodes3. Cost of electricity 4. Cost of labourCorrect Ans Provided: 2

Q.50 In a four-bar mechanism, the relation between the total number of links (L) and number of lower pairs (j) is given as:Ans 1. L = 2j + 42. L = 4j – 23. L = 4j + ...

Q.47 An example of anti-friction bearing is:Ans 1. sleeve bearing2. sliding contact bearing3. ball and roller baring4. journal bearingCorrect Ans Provided: 3

Q.55 The maximum possible number of instantaneous centres for a mechanism having six links is:Ans 1. 62. 153. 304. 12Correct Ans Provided: 2

Q.57 Break Even Analysis (BEA) shows profit, when:Ans 1. Sales revenue > total cost2. Sales revenue < total cost3. Sales revenue < total fixed cost4. Sales revenue < total variable costCorrect Ans Provided: 1

Q.51Ans 1.2.3.4.Correct Ans Provided: 1

Q.48 Property of metals that defines their ability to be hammered or rolled into thin sheets without cracking through cold or hot working is called:Ans 1. brittleness2. hardness3. malleability4. ductilityCorrect Ans Provided: 3

Q.61 For a governor, if the displacement of the sleeve is high for slight change in speed, then the governor is said to be:Ans 1. sensitive2. isochronous3. stable4. huntingCorrect Ans Provided: 1

Q.54 Consider the following regarding critical speed of shaft. 1. Diameter of the disc2. Span of the shaft3. EccentricityThe factors which affects the critical speed of a shaft are:Ans 1. 1 and 32. 1, 2 and ...