Seam welding is best adopted for metal thickness ranging from September 13, 2025 by Admin 0.025 to 3 mm 3 to 5 mm 5 to 8 mm 8 to 10 mm ✅ The correct answer is option A.
An economiser is installed in a boiler primarily to September 13, 2025 by Admin superheat the steam reduce fuel consumption increase steam pressure all of these ✅ The correct answer is option B.
A body in motion will be subjected to coriolis acceleration when that body is September 13, 2025 by Admin in plane rotation with variable velocity in plane translation with variable velocity in plane motion which is a resultant of plane translation and rotation restrained to rotate w ✅ The correct answer is option D.
Wheel base of a vehicle is the September 13, 2025 by Admin distance between the centres of the front and rear wheels distance between the centres of the front tyres distance between the centres of the rear tyres extreme length of the ✅ The correct answer is option A.
The lip clearance angle should decrease towards the centre of the drill than at the circumference. September 13, 2025 by Admin Yes No ✅ The correct answer is option B.
The centre of gravity of a quadrant of a circle lies along its central radius (r) at a distance of September 13, 2025 by Admin 0.5r 0.6r 0.7r 0.8r ✅ The correct answer is option B.
V-block is used to September 13, 2025 by Admin check the trueness of flat surfaces locate centres of round rods check the surface roughness none of these ✅ The correct answer is option D.
A process used for making thin phosphate coating on steel is called parkerising. September 13, 2025 by Admin Correct Incorrect ✅ The correct answer is option A.
In high speed steels, manganese is used to tougher the metal and to increase its September 13, 2025 by Admin yield point critical temperature melting point hardness ✅ The correct answer is option B.
According to Indian standard specifications, a plain carbon steel designated by 40C8 contains carbon September 13, 2025 by Admin 0.20 to 0.40% 0.35 to 0.45% 0.40 to 0.60% none of these ✅ The correct answer is option B.