Which of the following is most useful for measuring the shortest distance between two places on the earth and path between them?

If a projected roads from T to Y is built , then the shortest distance by road from W to X will be the same as the shortest distance by road from Z to __

A

T

B

U

C

V

D

Y

The shortest distance between two places measured along the surface of the earth, is

A

Length of the equator between their longitudes

B

Length of the parallel between their longitudes

C

Length of the arc of the great circle passing through them

D

None of these

Among P, Q, R, S and T, Q is the second tallest and S is immediate taller than the shortest . Who among them is in the middle when they stand in the order of their heights ? (1). T is not the shortest (2). R is taller than S but shorter than Q . (3). P ranks third in height above S when all are arranged in the order of height .

A

Only 1 and 2

B

Only 2 and 3

C

Either 2 only or 1 and 3 only

D

Only 2

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

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

In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

A

equal to sum of other two

B

greater than sum of other two

C

less than sum of other two

D

none of the mentioned

পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)

A

36 N and 81 N

B

36 N and 40.5 N

C

36 N and 20.25 N

D

98 and 40.5 N

E

81 N and 81 N

You have configured a Group Policy Object (GPO) for the marketing oranization unit (OU) to prevent users from accessing My Network Places and from running System in Control Panel. You want the Managers Domain Local Group to be able to access My Network Places, but you still want to prevent them from running System in Control Panel. What should you do?

A

Add the Managers group to the access control list of the GPO. Disable the permission of the managers group to read and apply the Group Policy

B

Add the Managers group to the access control list of the GPO. Deny the permission of the managers group to read and apply the Group Policy

C

Create a second GPO in the OU. Add the Managers group to the access control list. Allow the managers group to apply the Group Policy. Deny the Authenticated Users group permission to read and apply th

D

Create a second GPO in the OU. Add the Managers group to the access control list. Allow the managers group to apply the Group Policy. Disable the Authenticated Users group permission to read and apply

E

None of above

একজন অ্যাথলেট পৃথিবীতে দীর্ঘ লাফ দিয়ে সর্বোচ্চ 4 m দূরত্ব যেতে পারেন। এই অ্যাথলেট চাঁদের পৃষ্ঠে দীর্ঘ লাফ দিয়ে সর্বোচ্চ কত দূর যেতে পারবেন ? [পৃথিবীর ভর ও ব্যাসার্ধ চাঁদের ভর ও ব্যাসার্ধের যথাক্রমে 81 গুণ ও 4 গুণ] (An athlete can cross a maximum distance 4 m by a long jump on earth surface. What is the maximum distance the athlete can cross by a long jump on moon's surface? [The mass and radius of earth are 81 times and 4 times of moon's mass and radius, respectively.])

A

0.79m

B

9 m

C

20.25 m

D

16 m

E

32.35 m

Select the quotation word or phrases that needs correction. The "shortest" distance "between" "any" two points "are" a straight line.

A

shortest

B

between

C

any

D

are

Shortest distance between two tubes is

A

Called tube pitch

B

Called tube clearance

C

More in case of triangular pitch as compared to square pitch of tube layout

D

None of these

Which of the following is most useful for measuring the shortest distance between two places on the earth and path between them?

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