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BARC 2021 ME: Full Syllabus Test 11

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Question 1

A multiple disc clutch carries 10 discs on driving shaft and 9 on driven shaft. Find the number of contact surfaces?

Question 2

A submarine is rolling under seawater whose radius of gyration is 12 m and period of oscillation of rolling of ship is 22 seconds then nearest metacentric height in metres is ______

Question 3

If then __________.

Question 4

For a product, the forecast and the actual sales for December 2002 were 25 and 20 respectively. If the exponential smoothing constant (α) is taken as 0.2, the forecast sales for January 2003 would be

Question 5

A single stage impulse turbine with a diameter of 100 cm runs at 3000 rpm. If the inlet velocity of steam is 360 m/s then the blade speed ratio is ____.

Question 6

The difference between local maximum and local minimum value of f(x) = 2x³ – 24x + 107 is

Question 7

If a mass of moist air in an airtight vessel is heated to a higher temperature, then

Question 8

An opening at the top of the mould that is connected to the mould cavity through runners from which the molten metal is poured is known as?

Question 9

The tension in the string that is whirled in a vertical circle at a constant speed, will be maximum when stone is

Question 10

A mass spring dashpot system with mass m = 10kg, spring constant k=6250N/m is excited by a harmonic excitation of 10cos (25t). At steady condition, the vibration amplitude of the mass is 40mm. The damping coefficient (c, in Ns/m) of the dashpot will be

Question 11

Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 micro-ohms and current flow time of 0.2 second, heat generated during the process will be _________.

Question 12

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 13

A local tyre distributor expects to sell approximately 9600 steel belted radial tyres next year. Annual carrying cost in Rs. 16 per tyre and ordering cost is Rs. 75. The economic order quantity of the tyres is

Question 14

Average velocity of water in the developing region is 5m/s in a pipe laminar flow. What is the maximum velocity in the fully developed region?

Question 15

A hollow shaft of 2m length is designed to transmit a power of 25 KW at 500 rpm. The maximum permissible angle of twist in the shaft is 1^o.The inner diameter of the shaft is 0.8 times the outer diameter. The modulus of rigidity is 100 GPa. The outside diameter (in mm) of the shaft is

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ESE & GATE ME General

Sep 13ESE & GATE ME