Related Questions

A farmer is constructing a fence by stringing wire between two posts 20 feet apart. In the fence is 600 feet long. how many posts must the farmer.
A 29
B 30
C 31
D 32
A farmer is constructijng a fence by stringing wire between two posts 20 feet apart. If the fence is 600 feet long, how.many posts must the farmer use?
A 29
B 30
C 31
D 32
The design of pin of a rocker arm of an I.C. engine is based on
A Bearing failure
B Shearing failure
C Bending failure
D All of these
The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)
A $$\frac{1}{2}$$μWR
B $$\frac{2}{3}$$μWR
C $$\frac{3}{4}$$μWR
D μWR
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.
A 10 times
B 5 times
C 15 times
D 20 times
If p = bearing pressure on projected bearing area, Z = absolute viscosity of lubricant and N = speed of journal, then the bearing characteristic number is given by
A $$\frac{{{\text{ZN}}}}{{\text{p}}}$$
B $$\frac{{\text{p}}}{{{\text{ZN}}}}$$
C $$\frac{{\text{Z}}}{{{\text{pN}}}}$$
D $$\frac{{\text{N}}}{{{\text{Zp}}}}$$
The rocker arms in internal combustion engines are of __________.
A First type levers
B Second type levers
C Third type levers
D None of these
The bracing provided in the plane of end posts is called
A Sway bracing
B Portal bracing
C Top lateral bracing
D Bottom lateral bracing
For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will
A Increase
B Decrease
C Remain unaffected
D Other factors control it
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.
A Thick film
B Thin film
C Either A or B
D None of these

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