When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in

A man travelled a distance of 61 kn in 9 jours. He travelled party on food at 4 kn/hr and party on bicycle at 9 km/hr. What is the distance (in km) travelled on foot?

A

10

B

12

C

14

D

16

On a 2 km road, a total of 201 tress are planed on the side of the road at equal distance. How many such trees will be planed on a50 k.m road such that the distance between two consecutive tress is the same as that of the consecutive trees on the 2k.m road?

A

501

B

5001

C

5000

D

1000

In a simple train of wheels, the velocity ratio __________ the intermediate wheels.

A

Depends upon

B

Is independent of

C

Either A or B

D

None of these

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

$$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\sin \varphi }}{2}$$

A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force

A

The reaction on me inner wheels increases and on the outer wheels decreases

B

The reaction on the outer wheels increases and on the inner wheels decreases

C

The reaction on the front wheels increases and on the rear wheels decreases

D

The reaction on the rear wheels increases and on the front wheels decreases

The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is

A

$$\frac{1}{2}$$

B

1

C

$$1\frac{1}{2}$$

D

2

Due to circumferential action of the spiral in a spirally reinforced column

A

Capacity of column is decreased

B

Ductility of column reduces

C

Capacity of column is decreased but ductility of column increases

D

Both the capacity of column and ductility of column increase

L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?

A

O is the shortest of the group.

B

N is the second tallest of the group.

C

L is the tallest of the group.

D

Q is the third oldest of the group.

The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?

A

39

B

78

C

117

D

156

There are five statements given below: i. karim earns more than Rahim but less than Raihan ii. Tarique earns more than Farid iii. Rahim earns more than Rariq iv. Raihan and Rarique earn equal amounts v. Farid earns the least amount which of the above statements prove that Tarique earns more money than Rafiq?

A

I, II and III

B

II, III and IV

C

III, IV and V

D

I, III and IV

When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in

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