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UP Polytechnic Lecturer: Mechanical Quiz 22

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Question 1

For an opaque lane surface the irradiation, radiosity and emissive power of black body are respectively 20, 12 and 10 W/m². The emissivity of the surface is _________.

Question 2

The crystal systems are specified by

Question 3

In equilibrium position ,Angle of repose is equals to

Question 4

A static fluid will have

Question 5

In thrust bearings, the load acts

Question 6

In casting process, top gating is preferred over bottom gating because ?

Question 7

A simple ideal Rankine cycle is having fixed boiler and condenser pressure. If the cycle is modified with reheating,

Question 8

Relation between number of links (L) and number of pairs (P) is ________.

Question 9

Circumferential and longitudinal strain in cylindrical bolier under internal steam pressure are $Description: Description: E:\Gate\SSC JE Mechanical Part 1\Made Easy Questions\04_SOM_BLok_files\image038.png$ and $Description: Description: E:\Gate\SSC JE Mechanical Part 1\Made Easy Questions\04_SOM_BLok_files\image039.png$ respectively, Change in volume of the bolier cylinder per unit volume will be

Question 10

A typical Open-loop NC system doesn’t contain

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AE & JE Exams Mechanical Engineering

Nov 3AE & JE Exams