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The 50-mm-diameter cylinder is made from Am 1004-T61 magnesium and is placed in the clamp when the temperature is T_{1} = 20 deg * C If the 304-stainless-steel carriage bolts of the clamp each have a diameter of 10 mm, and they hold the cylinder snug with negligible force against the rigid jaws, determine the force in the cylinder when the temperature rises to T_{2} = 130 deg * C
September 19, 2022
(1):- The fixed cost its - - with number of products a- Change b- Not change ANSWER - fixed cost is a cost that does not change with an increase or decrease in the amount of goods. So, option "b" is correct (2):- The Machinery costs is ------ a- Variable b- Fixed c- Both ANSWER – machinery cost is to types:- fixed cost - it depends on how long a machine is Owned rather than it is used. it includes interest, tax, insurance etc. Variable cost- this cost varies in proportion to the amount of machine used. it includes repair, maintenance, labour cost etc. so option " c" is correct (3):- The skill of the workers is preferred to be ---------- skill a- Very Poor b- Very Good ANSWER – skilled worker is the one that has knowledge and ability in their work so option "b" is correct (4):- The increasing of the cutting speed that Lead to get--- surfaces a- A very rough b- A very smooth ANSWER – with increase in cutting speed surface finish increase and decrease in cutting speed decreases surface finish so, option " b" is correct (5):- The depth of cut is preferred to be with --- to cutting the hard metal a- Large value b- Small value ANSWER – cut hard material depth of cut should be small so that the tool life do not decrease so, option " b" is correct
March 25, 2021
A galvanometer acting as a voltmeter will have [2004, 2002] (a) a low resistance in series with its coil. (b) a high resistance in parallel with its coil (c) a high resistance in series with its coil (d) a low resistance in parallel with its coil Ans: (c) Solution: A galvanometer can be converted into a voltmeter by connecting the high ressistance in series with the galvanometer so that only a small amount of current passes through i
September 26, 2022
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