Related Questions

When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel and $$\varphi $$ = Pressure angle)
A $$\frac{{\left( {{{\text{r}}^2} + {{\text{R}}^2}} \right)\cos \varphi }}{2}$$
B $$\frac{{\left( {{{\text{r}}^2} + {{\text{R}}^2}} \right)\sin \varphi }}{2}$$
C $$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\cos \varphi }}{2}$$
D $$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\sin \varphi }}{2}$$
The path ______ paved, so we were able to walk through the path.
A was
B had been
C has been
D being
A arden is 60m long and 20m wide. Inside the garden there is a 5m wide path around it . The area of the path is in square meter .
A 700
B 650
C 375
D 500
The path-------paved, so we were able to walk through the path.
A was
B had been
C has been
D being
Outside a square garden there is a path of 5 metres width around it, If the area of the path is 500 square metres, what is the area of the garden?
A 250
B 300
C 400
D 450
A square park is surrounded by a path of uniform width 2 meters all around it. The area of the path is 288 sq. meters. Find the perimeter of the park.
A 34 m
B 1156 m
C 136 m
D Cannot be determined
A train takes 18 sec to pass completely through a station 162m long and 15 seconds through another station 120m long.The length of the train-
A 70m
B 80m
C 90m
D 100m
There are two stations of length 162 meters and 120 meters respectively . A train takes 15 seconds to pass first station and 18 seconds to pass another station . Determine the length of the train ?
A 90 m
B 70 m
C 100 m
D 95 m
At 9:00 a. m. the train Surmal left station and two hours later the train. Titas left the same station on a parallel track in the same direction. If Surma averaged 60 kilometers per hour and Titas averaged 75 kilometers per hour, at what time did Titas pass Surma?
A 2:00 p.m.
B 5:00 p.m.
C 6:00 p.m
D 7:00 p.m.
A train travelling at 50 miles/hr is 5 miles from the station at 5:00 pm. When will the train arrive at the station?
A 5:05 pm
B 5:10 pm
C 5:06 pm
D 5:50 pm

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