Related Questions

The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is
A 1.5
B 1
C $$\sqrt 2 $$
D None of these
In constant voltage charging method, the charging current from discharged to fully charged condition
A decreases
B increases
C remains constant
D none of the above
Under normal charging rate, the charging current should be
A 10% of capacity
B 20% of capacity
C 30% of capacity
D 40% of capacity
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.
A Nozzle or rim
B Flared out
C Fluid in
D Ring plate
The rainfall due to upward movement of air caused by convergence of cold air masses against warm air masses is called ________.
A Cyclonic rainfall
B Orographic rainfall
C Frontal rainfall
D Convectional rainfall
Where cold surface air replaces warm air, the boundary separating the different bodies of air is:
A A parallel of latitude
B A tornado
C A cold front
D A warm front
The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by
A $$\frac{{2{\text{v}}}}{{{{\text{V}}_{\text{r}}} - {\text{v}}}}$$
B $$\frac{{2{\text{v}}}}{{{{\text{V}}_{\text{r}}} + {\text{v}}}}$$
C $$\frac{{\text{V}}}{{{{\text{V}}_{\text{r}}} - {\text{v}}}}$$
D $$\frac{{\text{V}}}{{{{\text{V}}_{\text{r}}} + {\text{v}}}}$$
In which of the following furnaces, the gases are sucked through the stock bed from below?
A Soaking pit
B Sintering machine
C Beehive oven
D None of these
Brick buildings in Bengal have rooms with high ceilings and large doors and window, so that there is a soothing current of air in hot weather. As per the excerpt , Bengal is likely to be located in -
A subtropical area
B tropical area
C equatorial area
D sub-saharan area
There are 5 doors to a lecture room. In how many ways can a student enter the room through a door and leave the room by a different door?
A 10
B 20
C 9
D 325

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