Related Questions

When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
Expert says 25% of of serious bicycle accidents involved head injury and that of all head injuries 80% are fatal. What percentage of serious bicycle accidents involve fatal head injuries?
A 16%
B 20%
C 55%
D 105%
Experts say that 25% of all serious bicycle accidents involve head injuries and of all such head injuries, 80% are fatal. What percentage of all serious bicycle accidents involve fatal head injuries?
A 6%
B 20%
C 55%
D 105%
If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by
A $${\text{H}} = \frac{{{\text{Hg}}}}{{{\text{hf}}}}$$
B H = Hg × hf
C H = Hg + hf
D H = Hg - hf
The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.
A Product
B Difference
C Sum
D None of these
The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the
A Discharge
B Suction
C Suction minus vapor pressure of the liquid at suction temperature
D Discharge minus vapor pressure of the liquid at the discharge temperature
The rise and fall method of levelling provides a complete check on
A backsight
B intermediate sight
C foresight
D all of the above
Height of instrument method of levelling is
A more accurate than rise and fall method
B less accurate than rise and fall method
C quicker and less tedious for large number of intermediate sights
D none of the above
The type of steel used for precision levelling staff, is
A Titanium steel
B Carbon steel
C Invar
D Stainless steel
In resources levelling
A Total duration of project is reduced
B Total duration of project is increased
C Uniform demand of resources is achieved
D Cost of project is controlled

Next steps