Related Questions

Detrusor muscle is a muscle of
A Urogenital diaphragm
B Urinary bladder
C Scrotum
D Spermatic cord
Weight lifting can result in a dramatic increase in skeletal muscle mass. This increase in muscle mass is attributable to
A Fusion of a sarcomeres between two adjacent myofibrils
B Hypertrophy of individual muscle fiber
C Increase in skeletal muscle blood supply
D Increase in the number of glycolytic enzymes
E Increase in the number of neuromuscular junctions
The load cup of a screw jack is made separate from the head of the spindle to
A enhance the load carrying capacity of the jack
B reduce the effort needed for lifting the working load
C reduce the value of frictional torque required to be countered for lifting the load
D prevent the rotation of load being lifted
The taper on the lathe spindle is
A 1 in 10
B 1 in 15
C 1 in 20
D 1 in 30
Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to
A improve its ventilation
B eliminate creeping at no load
C increase its deflecting torque
D increase its braking torque
It is the site of chromosome attachment to the fibres of spindle.
A Chromomere
B Centromere
C Centrosme
D Blastomere
At anaphase stage of mitosis in plant cells, interzonal of the spindle fibres gets transformed into
A Equatorial plate
B Nucleoplast
C Phragmoplast
D Chloroplast
The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)
A $$\frac{{8.95}}{{{{\text{N}}^2}}}$$
B $$\frac{{89.5}}{{{{\text{N}}^2}}}$$
C $$\frac{{895}}{{{{\text{N}}^2}}}$$
D $$\frac{{8950}}{{{{\text{N}}^2}}}$$
Slow speed of the spindle is necessary in
A Thread cutting
B Turning a work of larger diameter
C Turning a hard or tough material
D All of these
Which type of motor is not used in axis or spindle drives of CNC machine tools?
A Induction motor
B DC servo motor
C Stepper motor
D Linear servo motor

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