Lower BWG means __________ of the tube. (A) Lower thickness (B) Lower cross-section (C) Outer diameter (D) Inner diameter

Lower BWG means __________ of the tube.
(A) Lower thickness
(B) Lower cross-section
(C) Outer diameter
(D) Inner diameter
by

1 Answer

Answer :

(B) Lower cross-section
by

Related questions

For specified tube outside diameter, higher BWG means higher (A) Tube thickness (B) Cross-sectional area (C) Weight per unit length (D) None of these

Description : For specified tube outside diameter, higher BWG means higher (A) Tube thickness (B) Cross-sectional area (C) Weight per unit length (D) None of these

Last Answer : (B) Cross-sectional area

A tube is specified by its (A) Thickness only (B) Outer diameter only (C) Thickness & outer diameter both (D) Inner diameter

Description : A tube is specified by its (A) Thickness only (B) Outer diameter only (C) Thickness & outer diameter both (D) Inner diameter

Last Answer : (C) Thickness & outer diameter both

A hollow prismatic beam of circular section is subjected to a torsional moment. The maximum shear stress occurs at (a) inner wall of cross section (b) middle of thickness (c) outer surface of shaft (d) none of these

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Last Answer : (c) outer surface of shaft

A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4cm. -Maths 9th

Description : A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4cm. -Maths 9th

Last Answer : Let r1 and r2 Inner and outer radii of cylindrical pipe r1 = 4/2 cm = 2 cm r2 = 4.4/2 cm = 2.2 cm Height of cylindrical pipe, h = length of cylindrical pipe = 77 cm (i) curved surface ... CSA of roller = (500 31680) cm2 = 15840000 cm2 = 1584 m2. Therefore, area of playground is 1584 m2. Answer!

Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its(A) Inner diameter(B) Outer diameter(C) Thickness(D) Neither inner nor outer diameter

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Nominal size of a pipe is an indication of its __________ diameter. (A) Inner (B) Outer (C) Approximate (D) None of these

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In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of a cylinder is a) maximum at the outer surface and minimum at the inner surface b) maximum at the inner surface and minimum at the outer surface c) maximum at the inner surface and zero at the outer surface d) maximum at the outer surface and zero at the inner surface

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In a thick-cylinder pressurized from inside, the hoop stress is maximum at a) The center of the wall thickness b) the outer radius c) the inner radius d) both the inner and the outer radii

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A vessel is said to be thin if a. Its wall has less thickness b. Stresses are uniform over the entire thickness c. Stresses vary at inner and at outer radius d. None of the above

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The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt. (A) Speed (B) Thickness (C) Length (D) None of these

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An epithelial tissue which has thin flat cells, arranged edge to edge so as to appear like closely packed tiles, is found to be present at (a) outer surface of ovary (b) inner lining of Fallopian tube (c) inner lining of stomach (d) inner lining of cheeks.

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If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (fs/N) (A) 1/2 (B) 1/3 (C) 1/4 (D) 1/5

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Last Answer : (C) 1/4 

How To Calculate Bearing Number Ti Diameter Of The Inner And Outer?

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A hollow shaft has an inner diameter of 3.7 cm and an outer diameter of 4.0 cm. A 1 kN-m torque is applied to this shaft. What is the shear stress at the mid-radius of this shaft? (a) 117Mpa (b) 178 Mpa (c) 286 Mpa (d) 363 Mpa

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What is the shear stress acting on the outer surface of a hollow shaft subjected to a torque of 100 Nm?(The inner and outer diameter of the shaft is 15 mm and 30 mm respectively.) a. 50.26 N/mm2 b. 40.24 N/mm2 c. 20.120 N/mm2 d. 8.74 N/mm2

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A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter 'd'. For a fixed mass flow rate, the tube side heat transfer co￾efficient for turbulent flow conditions is proportional to (A) d 0.8 (B) d -0.2 (C) d -1 (D) d -1.8

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A stream tube is that, which has __________ cross-section entirely bounded by stream lines. (A) A circular (B) Any convenient (C) A small (D) A large

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Assertion : Tibia is stronger and inner whereas fibula is the slander and outer bone of lower leg or shank. Reason : Tibia has a sharp crest in the sh

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The sensitiveness of a level tube decreases if (A) Radius of curvature of its inner surface is increased (B) Diameter of the tube is increased (C) Length of the vapour bubble is increased (D) Both viscosity and surface tension are increased

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Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2.k), when the insulation thickness is __________ mm. (A) 15 (B) 25 (C) 10 (D) 30

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The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold's number(A) Increases(B) Decreases(C) Remain same(D) May increase or decrease.

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Last Answer : (B) Decreases

In a shell and tube heat exchanger, square pitch compared to triangular pitch (A) Gives a higher shell side pressure drop (B) Gives a lower shell side pressure drop (C) Can pack more surface area into a shell of given diameter (D) None of these

Description : In a shell and tube heat exchanger, square pitch compared to triangular pitch (A) Gives a higher shell side pressure drop (B) Gives a lower shell side pressure drop (C) Can pack more surface area into a shell of given diameter (D) None of these

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The equivalent diameter for fluid flow through square cross section channel of side 'x', for pressure drop calculation purpose is given by (A) 4x (B) 2x (C) x (D) √x

Description : The equivalent diameter for fluid flow through square cross section channel of side 'x', for pressure drop calculation purpose is given by (A) 4x (B) 2x (C) x (D) √x

Last Answer : (C) x

The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by (where, x = each side of the square duct). (A) x (B) √(πx) (C) √(2x) (D) √(x/2)

Description : The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by (where, x = each side of the square duct). (A) x (B) √(πx) (C) √(2x) (D) √(x/2)

Last Answer : (A) x

Vena-contracta formed during flow of a liquid through an orificemeter has (A) Minimum liquid cross-section (B) More diameter compared to orifice diameter (C) Minimum velocity of fluid stream (D) None of these

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Last Answer : (A) Minimum liquid cross-section

If h1 = inner film co-efficient and /h2 = outer film co-efficient, then the overall heat transfer co-efficient is (A) Always less than h1 (B) Always between h1 and h2 (C) Always higher than h2 (D) Dependent on metal resistance

Description : If h1 = inner film co-efficient and /h2 = outer film co-efficient, then the overall heat transfer co-efficient is (A) Always less than h1 (B) Always between h1 and h2 (C) Always higher than h2 (D) Dependent on metal resistance

Last Answer : (B) Always between h1 and h2

. The inner wall of a furnace is at a temperature of 700°C. The composite wall is made of two substances, 10 and 20 cm thick with thermal conductivities of 0.05 and 0.1 W.m-1.°C-1 respectively. The ambient air is at 30°C and the heat transfer co-efficient between the outer surface of wall and air is 20 W.m-2 .°C-1 . The rate of heat loss from the outer surface in W.m-2 is (A) 165.4 (B) 167.5 (C) 172.5 (D) 175

Description : . The inner wall of a furnace is at a temperature of 700°C. The composite wall is made of two substances, 10 and 20 cm thick with thermal conductivities of 0.05 and 0.1 W.m-1.°C-1 respectively. The ambient air is at 30°C ... from the outer surface in W.m-2 is (A) 165.4 (B) 167.5 (C) 172.5 (D) 175

Last Answer : (A) 165.4

A sphere of radius 'R1 ' is enclosed in a sphere of radius 'R2 '. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is (A) 0 (B) R2 /(R1+R2 ) (C) 1 (D) (R1 /R2 )

Description : A sphere of radius 'R1 ' is enclosed in a sphere of radius 'R2 '. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is (A) 0 (B) R2 /(R1+R2 ) (C) 1 (D) (R1 /R2 )

Last Answer : (B) R2 /(R1+R2 )

Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional to (A) (r2- r1)/r1. r2 (B) r1. r2/(r2- r1) (C) (r2 + r1)/r1. r2 (D) r1. r2/(r2 + r1)

Description : Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional to (A) (r2- r1)/r1. r2 (B) r1. r2/(r2- r1) (C) (r2 + r1)/r1. r2 (D) r1. r2/(r2 + r1)

Last Answer : (B) r1. r2/(r2- r1)

A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is (A) ½w 2 . R 2 . ρL (B) ½w 2 . δ 2 . ρL (C) ½w 2 . δρL (2R + δ) (D) ½w 2 . R . ρL(R + 2δ)

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Last Answer : (C) ½w 2 . δρL (2R + δ)

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will (A) Increase (B) Decrease (C) Remain unaffected (D) May increase or decrease; depends on the thickness of each layer

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Last Answer : Option C

H2 is a better coolant than CO2 , due to it’s relatively (A) Lower density (B) Higher specific heat (C) Non-reactivity to uranium (D) Lower neutron capture cross-section

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An electric current of `2.0 mu A` exists in a discharge tube. How much charge flows across a cross-section of the tube in 5 minutes ?

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A liquid flows through a capillary tube. Then the velocity of the liquid is (a) Maximum at the walls of the tubs (b) Constant at all points in the cross section of the tube (c) Maximum along the axis of the tube (d) Independent of the pressure-head

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Choking in case of pipe flow means that a (A) Specified mass flow rate cannot be achieved (B) Valve is closed in the line (C) Restriction in flow cross-section area occurs (D) None of these

Description : Choking in case of pipe flow means that a (A) Specified mass flow rate cannot be achieved (B) Valve is closed in the line (C) Restriction in flow cross-section area occurs (D) None of these

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In Fig. the circular cross-section of tunnel is shown. A 100 W almp is lighted at the heighest point S. The diameter of the tunnel is 2m. Compare the

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If is the diameter of upper circular portion, the area of cross-section of a standard egg shaped sewer, is A. D² B. D² C. D² D. D²

Description : If is the diameter of upper circular portion, the area of cross-section of a standard egg shaped sewer, is A. D² B. D² C. D² D. D²

Last Answer : ANS: A