Related Questions

The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is
A Zero
B Negative
C Positive
D About 2 ohms per degree
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 $$\frac{{\text{N}}}{{{\text{Zp}}}}$$
A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing.
A Partially
B Fully
C Either A or B
D None of these
The synonym of "Stalk' is-
A drive
B chase
C ornace
D prowl
Salina...... slender had mastered the art.
A was
B being
C be
D is
The word 'slender' refers to-
A thick
B dense
C large
D lean
The maximum production of small and slender parts is done by
A Watch maker's lathe
B Sliding head stock automatic lathe
C Multi-spindle automatic lathe
D Capstan lathe
The grinding of long, slender shafts or bars is usually done by
A In-feed grinding
B Through feed grinding
C End-feed grinding
D Any one of these

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