- crushed head
- angular break
- split head
- transverse fissures
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When the bolts are subjected to reversal of stresses, the most suitable type of bolt is?
Answer: Option 4 Let'
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In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.?
Answer: Option 2 Let'
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Number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to?
Answer: Option 1 Let'
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Statement : There have been many instances of derailment of trains due to landslide in the hilly areas which caused loss of many lives. Courses of Action : I. The railway authority should arrange to deploy pilot engines before the movement of passenger trains in the hilly areas to alert the trains in case of any landslide. II. The railway authority should strengthen the hill slopes by putting iron meshes so that the loose boulders do not fall on the track.?
Answer: Option 3 Clearly, either something should be done to alert the trains well in advance in case of a landslide or some means should be adopted to prevent blockage...
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Statement : The air and rail services have been severely disrupted due to thick fog in the northern part of the country. Courses of Action : I. The rail and air services should be temporarily suspended in the region. II. People should be advised to make their travel plan keeping in mind the probable disruption resulting in delay or cancellation of services. III. The government should immediately install modern machines which will enable it to guide the rail and air services even if the thick fog develops.?
Answer: Option 4 Keeping in mind the safety and convenience of passengers, both I and II follow. III clearly suggests a remedy to the problem and hence it also follows.
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Which of the following is one of the basic types of welded joints:?
Answer: Option 1 Let'
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By providing sufficient edge distance, which of the following failures of riveted joint can be avoided ?
Answer: Option 3 Let'
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Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?
Answer: Option 2 Let'
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Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?
Answer: Option 2 Let'
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Why are major fishing areas of the world confined to the temperate zone I. Cold and warm currents meet, creating conditions favourable for plankton growth II. The fish of these waters are highly palatable as human food III. There is a ready mark, in the land masses of the zone IV. The existence of submarine plateaus help in growth of fish population?
Answer: Option 4 The major fishing areas of the world confined to the temperate zone are Cold and warm currents meet, creating conditions favourable for plankton growth, The fish of...
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