The unit cost in case of batch production is __________as compared to jobbing production.
Specific speed of a turbine is given by
For a product layout the material handling equipment must
In the case of Francis turbine, velocity ratio is defined as V3/√2 gH where H is the available head and V3 is the
Which of the following is independent of sales forecast?
Consider the following statements:
A reverse jet protects Pelton turbine from over speeding
Runner blades of Francis turbine are adjustable
Draft tube is used invariably in all reaction turbine installations
Surge shafts is a protective device on penstock
Of these statements
Which of the following layouts is suited for mass production?
Cavitation damage in the turbine runner occurs near the
Performance rating is equal to
In hydraulic power-generation systems, surge tanks are provided to prevent immediate damage to
PERT has following time estimate
A centrifugal pump delivers water at the rate of 50 litres/s against a total head of 40 metres. Then the power required to drive the pump is
Consider the following characteristics:
1. The fluid enters the pump axially and is discharged radially
2. Maximum efficiency may be of the order of 90%
3. Development of a low head
4. A limited suction capacity
Which of the above characteristics are possessed by axial flow pumps?
At the break-even point,
"In compression, a prism of brittle material will break"
"The ability of a material to resist softening at high temperature is known as"
"The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to l00°C will"
"Chisels are generally made of"
"The percentage of carbon in low carbon steel is"
"The materials having same elastic properties in all directions are called"
"For steel, the ultimate strength in shear as compared to in tension is nearly"
"Which of the following has no unit"
"The property of a material by virtue of which it can be beaten or rolled into plates is called"
"Which ferrous material doesn’t show fatigue limit?"
"A material is known as allotropic or polymorphic if it"
