Related Questions

A cylindrical rod of iron, whose height is equal to its radius ,is melted and cast into spherical balls whose radius is half the radius of the rod. find the number of balls.
A 3
B 4
C 5
D 6
A cylindrical rod of iron, whose height is equal to its radius, is melted and cast into spherical balls whose radius is half the radius of the rod . Find the number of balls.
A 2
B 3
C 4
D 6
The valve rod in a steam engine is connected to an eccentric rod by
A Cotter joint
B Bolted joint
C Knuckle joint
D Universal coupling
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point
A Same as
B Twice
C Thrice
D Four times
In a steam engine, the valve rod is connected to an eccentric rod by means of
A Cotter joint
B Knuckle joint
C Universal joint
D Flange coupling
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is
A 0
B 0.33
C 0.44
D 0.25
Function of control rod in a nuclear reactor is to control
A Temperature
B Pressure
C Fuel consumption
D Absorption of neutrons
The main purpose of control rod in a nuclear reactor is to control the
A chain reaction & hence the power output by regulating the number of secondary neutrons for fission
B emission of hazardous radiation
C conversion of fissile material into fertile material
D velocity of the secondary neutrons
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
__________ is not used as the control rod material in a nuclear reactor.
A Cobalt
B Hafnium
C Cadmium
D Boron

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