Vibrating screens have capacity in the range of __________ tons/ft 2 .mm mesh size. (A) 0.2 to 0.8 (B) 5 to 25 (C) 50 to 100 (D) 100 to 250

Vibrating screens have capacity in the range of __________
tons/ft
2
.mm mesh size.
(A) 0.2 to 0.8
(B) 5 to 25
(C) 50 to 100
(D) 100 to 250
by

1 Answer

Answer :

(A) 0.2 to 0.8
by

Related questions

or Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. (A) 5 (B) 50 (C) 500 (D) 5000

Description : or Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. (A) 5 (B) 50 (C) 500 (D) 5000

Last Answer : (C) 500

Which of the following screens has the maximum capacity? (A) Grizzlies (B) Trommels (C) Shaking screen (D) Vibrating screen

Description : Which of the following screens has the maximum capacity? (A) Grizzlies (B) Trommels (C) Shaking screen (D) Vibrating screen

Last Answer : (D) Vibrating screen

The maximum head that can be developed by a single impeller is __________ ft(A) 25(B) 100(C) 250-300(D) 1000.

Description : The maximum head that can be developed by a single impeller is __________ ft. (A) 25 (B) 100 (C) 250-300 (D) 1000

Last Answer : (C) 250-300

Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the (A) Light metal powder down upto 4 mesh size (B) Dry chemicals (C) Heavy tonnages of rocks or gravel (D) Powdered food & granular materials

Description : Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the ... Dry chemicals (C) Heavy tonnages of rocks or gravel (D) Powdered food & granular materials

Last Answer : (C) Heavy tonnages of rocks or gravel

Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for(A) British standard screens(B) German standard screens (DIN 1171) etc(C) American standard screens (ASTM and Tyler standard screens)(D) All (A), (B) and (C)

Description : Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for (A) British ... (C) American standard screens (ASTM and Tyler standard screens) (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Flat rate parcel rates Flat Rate Parcel Boxes size Dimension of boxes (in mm) Weight (in Kg.) Tariff (in Rs.) Small - S 250*50*300 0 to 1 125 Medium - M 250*100*300 Above 1 to 2.5 200 Large - L 300*250*200 Above 2.5 to 5 400

Description : Flat rate parcel rates Flat Rate Parcel Boxes size Dimension of boxes (in mm) Weight (in Kg.) Tariff (in Rs.) Small - S 250*50*300 0 to 1 125 Medium - M 250*100*300 Above 1 to 2.5 200 Large - L 300*250*200 Above 2.5 to 5 400

Last Answer : Large - L 300*250*200 Above 2.5 to 5 400

Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. (A) 0.007 (B) 0.30 (C) 50 (D) 0.014

Description : Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. (A) 0.007 (B) 0.30 (C) 50 (D) 0.014

Last Answer : (B) 0.30

Screen capacity is expressed in terms of (A) tons/hr (B) tons/ft 2 (C) Both (A) & (B) (D) tons/hr-ft

Description : Screen capacity is expressed in terms of (A) tons/hr (B) tons/ft 2 (C) Both (A) & (B) (D) tons/hr-ft

Last Answer : (D) tons/hr-ft

Trommels are revolving screens which normally operate in the range of __________ rpm. (A) 1 - 2 (B) 15 - 20 (C) 40 - 50 (D) 60 - 75

Description : Trommels are revolving screens which normally operate in the range of __________ rpm. (A) 1 - 2 (B) 15 - 20 (C) 40 - 50 (D) 60 - 75

Last Answer : (B) 15 - 20

Generally the strength of concrete is represented by the crushing stress of concrete cube of size [ A ] 50 mm [ B ] 100 mm [ C ] 150 mm [ D ] 250 mm

Description : Generally the strength of concrete is represented by the crushing stress of concrete cube of size [ A ] 50 mm [ B ] 100 mm [ C ] 150 mm [ D ] 250 mm

Last Answer : [ C ] 150 mm

Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of (A) Electromagnets (B) Cams or eccentric shafts (C) Unbalanced flywheels (D) Either (A), (B) or (C)

Description : Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of (A) Electromagnets (B) Cams or eccentric shafts (C) Unbalanced flywheels (D) Either (A), (B) or (C)

Last Answer : (D) Either (A), (B) or (C)

A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson's ratio is 0.25, the change in the volume of the bar is: (A) 1.125 cm3 (B) 2.125 cm3 (C) 3.125 cm3 (D) 4.125 cm

Description : A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2  MN/mm2  and Poisson's ratio is 0.25, the change in the volume of the bar is:  (A) 1.125 cm3 (B) 2.125 cm3 (C) 3.125 cm3 (D) 4.125 cm

Last Answer : (C) 3.125 cm

Pick out the wrong statement. (A) Hammer crushers operate by impact action (B) Standard screens have circular opening (C) With increase in mesh number of screens, their diameter in microns decreases (D) 200 mesh screen has 200 openings per linear cm

Description : Pick out the wrong statement. (A) Hammer crushers operate by impact action (B) Standard screens have circular opening (C) With increase in mesh number of screens, their diameter in microns decreases (D) 200 mesh screen has 200 openings per linear cm

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Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon- 6. (A) -20 to 25 (B) 50 to 75 (C) 100 to 150 (D) 250-280

Description : Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon- 6. (A) -20 to 25 (B) 50 to 75 (C) 100 to 150 (D) 250-280

Last Answer : (D) 250-280

Size of blast furnace grade coke is __________ mm. (A) 25-80 (B) 0-15 (C) 15-25 (D) > 100

Description : Size of blast furnace grade coke is __________ mm. (A) 25-80 (B) 0-15 (C) 15-25 (D) > 100

Last Answer : (A) 25-80

Refrigeration capacity of a household refrigerator may be round about __________ tons.(A) 0.15 (B) 1.5 (C) 4.5 (D) 6.5

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Last Answer : (A) 0.15

A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. (A) 5 (B) 100 (C) 250 (D) 500

Description : A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. (A) 5 (B) 100 (C) 250 (D) 500

Last Answer : (A) 5

The standard audible capacity of a healthy human being as per World Health Organi-sation is in the range of - (1) 45-50 decibels (2) 200-250 decibels (3) 5-10 decibels (4) 2000-2500 decibels

Description : The standard audible capacity of a healthy human being as per World Health Organi-sation is in the range of - (1) 45-50 decibels (2) 200-250 decibels (3) 5-10 decibels (4) 2000-2500 decibels

Last Answer : (3) 5-10 decibels Explanation: Hearing range usually describes the range of frequencies that can be heard by an animal or human, though it can also refer to the range of levels. In humans the audible ... as low as 12 Hz under ideal laboratory conditions, to 20 kHz in most children and some adults.

The standard audible capacity of a healthy human being as per World Health Organi-sation is in the range of (1) 45-50 decibels (2) 200-250 decibels (3) 5-10 decibels (4) 2000-2500 decibels

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The optimum size of the ammonia plant is __________ tons/day. (A) 10 (B) 100 (C) 1000 (D) 1000

Description : The optimum size of the ammonia plant is __________ tons/day. (A) 10 (B) 100 (C) 1000 (D) 1000

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The spacing of bars for perforations in coarse screens used for the treatment of sewage, is A. 20 mm B. 30 mm C. 40 mm D. 50 mm

Description : The spacing of bars for perforations in coarse screens used for the treatment of sewage, is A. 20 mm B. 30 mm C. 40 mm D. 50 mm

Last Answer : ANS: D

The horizontal clearance between guard rail and running rail in BG track is a) 25 mm b) 250 ± 50 mm* c) 75 mm d) 200 ± 50 mm

Description : The horizontal clearance between guard rail and running rail in BG track is a) 25 mm b) 250 ± 50 mm* c) 75 mm d) 200 ± 50 mm

Last Answer : b) 250 ± 50 mm*

In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. (A) Primary (B) Secondary (C) Fine (D) Ultrafine

Description : In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. (A) Primary (B) Secondary (C) Fine (D) Ultrafine

Last Answer : (B) Secondary

Bhabha Atomic Research Centre (BARC) located at Trombay (near Bombay, INDIA) has (A) Five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva) (B) A 420 MW nuclear power plant (C) A very large capacity (100 tons/yr) heavy water plant (D) All (A), (B) and (C)

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Last Answer : (A) Five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva)

The spacing of bars of perforations of fine screens used for the treatment of sewage, is A. 2 to 3 mm B. 3 to 5 mm C. 5 to 8 mm D. 8 to 10 mm

Description : The spacing of bars of perforations of fine screens used for the treatment of sewage, is A. 2 to 3 mm B. 3 to 5 mm C. 5 to 8 mm D. 8 to 10 mm

Last Answer : ANS: A

Assume postal rates for 'light letters' are: $0.25 up to 10 grams; $0.35 up to 50 grams; $0.45 up to 75 grams; $0.55 up to 100 grams. Which test inputs (in grams) would be selected using boundary value analysis? A. 0, 9,19, 49, 50, 74, 75, 99,100 B. 10, 50, 75,100, 250, 1000 C. 0, 1,10,11, 50, 51, 75, 76,100,101 D. 25, 26, 35, 36, 45, 46, 55, 56

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Last Answer : C. 0, 1,10,11, 50, 51, 75, 76,100,101

Pick out the wrong statement. (A) Nitrogen is normally supplied in fertiliser either in Ammoniacal or the nitrate form, from which the soil takes it up in the form of ammonium ions ornitrate ions and forms amino acids(B) Calcium present in the fertiliser helps in correcting the soil acidity(C) Particle size range of a good granular fertiliser is 10-15 mesh and itcontains less moisture as compared to finely divided powder form of fertiliser(D) Ammonium nitrate fertiliser is obtained as a by-product in an integratedsteel plant having by-product coke ovens

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Last Answer : (D) Ammonium nitrate fertiliser is obtained as a by-product in an integrated steel plant having by-product coke ovens

What is the maximum line-of-sight distance between a paging antenna 250 ft high and a pager receiver 3.5ft of the ground? A. 25 km B.25mi C. 70.73 km D. 70.73 mi

Description : What is the maximum line-of-sight distance between a paging antenna 250 ft high and a pager receiver 3.5ft of the ground? A. 25 km B.25mi C. 70.73 km D. 70.73 mi

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Smoke point of a good burning kerosene may be around __________ mm. (A) 0-5 (B) 20-25 (C) 60-75 (D) 100-120

Description : Smoke point of a good burning kerosene may be around __________ mm. (A) 0-5 (B) 20-25 (C) 60-75 (D) 100-120

Last Answer : (B) 20-25

What is the range of minimum set of genes required for life? A.50-100 genes B.250-350 genes C.1000-1500 genes D.1500-2000 genes

Description : What is the range of minimum set of genes required for life? A.50-100 genes B.250-350 genes C.1000-1500 genes D.1500-2000 genes

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What is the range of minimum set of genes required for life? A.50-100 genes B.250-350 genes C.1000-1500 genes D.1500-2000 genes

Description : What is the range of minimum set of genes required for life? A.50-100 genes B.250-350 genes C.1000-1500 genes D.1500-2000 genes

Last Answer : .250-350 genes

What is the range of minimum set of genes required for life? A- 50-100 genes B- 250-350 genes C- 1000-1500 genes D- 1500-2000 genes

Description : What is the range of minimum set of genes required for life? A- 50-100 genes B- 250-350 genes C- 1000-1500 genes D- 1500-2000 genes

Last Answer : 250-350 genes

In screen analysis, the notation +5 mm/-10 mm means particles passing through (A) 10 mm screen and retained on 5 mm screen (B) 5 mm screen and retained on 10 mm screen (C) Both 5 mm and 10 mm screens (D) Neither 5 mm nor 10 mm screen

Description : In screen analysis, the notation +5 mm/-10 mm means particles passing through (A) 10 mm screen and retained on 5 mm screen (B) 5 mm screen and retained on 10 mm screen (C) Both 5 mm and 10 mm screens (D) Neither 5 mm nor 10 mm screen

Last Answer : (A) 10 mm screen and retained on 5 mm screen

The opening of a 200 mesh screen (Taylor series) is (A) 0.0074 cm (B) 0.0074 mm (C) 0.0047 cm (D) 74 milli-micron

Description : The opening of a 200 mesh screen (Taylor series) is (A) 0.0074 cm (B) 0.0074 mm (C) 0.0047 cm (D) 74 milli-micron

Last Answer : (A) 0.0074 cm

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. (A) 25 (B) 60-70 (C) 150-200 (D) 250-300

Description : Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. (A) 25 (B) 60-70 (C) 150-200 (D) 250-300

Last Answer : (B) 60-70

A loudspeaker cabinet has an internal volume of 5,184 in3 (84,950 cm3 ). It has a port area on the baffle of 50 in2 (322.58cm2 ) and a thickness of 0.70 in (18 mm). What is the Helmholtz resonance, in hertz, of this loudspeaker enclosure? A. 250 Hz B. 245 Hz C. 240 Hz D. 255 Hz

Description : A loudspeaker cabinet has an internal volume of 5,184 in3 (84,950 cm3 ). It has a port area on the baffle of 50 in2 (322.58cm2 ) and a thickness of 0.70 in (18 mm). What is the Helmholtz resonance, in hertz, of this loudspeaker enclosure? A. 250 Hz B. 245 Hz C. 240 Hz D. 255 Hz

Last Answer : C. 240 Hz

Pore size of the molecular sieve 5A is __________ mm. (A) 5 (B) 0.5 (C) 0.05 (D) 50

Description : Pore size of the molecular sieve 5A is __________ mm. (A) 5 (B) 0.5 (C) 0.05 (D) 50

Last Answer : (B) 0.5

A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm2 , the tensile force developed at a temperature of 50°C, is (A) 80 N/mm2 (B) 100 N/mm2 (C) 120 N/mm2 (D) 150 N/mm2 Answer: Option

Description : A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the  ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2  MN/mm2 , the ... N/mm2 (B) 100 N/mm2 (C) 120 N/mm2 (D) 150 N/mm2 Answer: Option 

Last Answer : (C) 120 N/mm

A pile is being driven with a drop hammer weighing 1800 kg and having a free fall of 1.00 m. If the penetration with last blow is 5 mm, the load carrying capacity of the pile, -according to the Engineering News formula, is (A) 100 tonnes (B) 50 tonnes (C) 20 tonnes (D) 10 tonnes

Description : A pile is being driven with a drop hammer weighing 1800 kg and having a free fall of 1.00 m. If the penetration with last blow is 5 mm, the load carrying capacity of the pile, -according to the Engineering News formula, is (A) 100 tonnes (B) 50 tonnes (C) 20 tonnes (D) 10 tonnes

Last Answer : (D) 10 tonnes

For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm

Description : For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm

Last Answer : Answer: Option D

If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in aquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow is (A) 0.25 m/day (B) 0.50 m/day (C) 1.00 m/day (D) 1.25 m/day

Description : If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in aquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow is (A) 0.25 m/day (B) 0.50 m/day (C) 1.00 m/day (D) 1.25 m/day

Last Answer : Answer: Option D

The maximum thickness of expansion joint in rigid pavements is (A) 0 (B) 25 mm (C) 50 mm (D) 100 mm

Description : The maximum thickness of expansion joint in rigid pavements is (A) 0 (B) 25 mm (C) 50 mm (D) 100 mm

Last Answer : Answer: Option B

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.). (A) 1 (B) 10 (C) 25 (D) 40

Description : A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.). (A) 1 (B) 10 (C) 25 (D) 40

Last Answer : (B) 10

Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm). (A) 0.01 L.S (B) 0.087 L.S (C) L.S (D) L.S/0.087

Description : Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm). (A) 0.01 L.S (B) 0.087 L.S (C) L.S (D) L.S/0.087

Last Answer : (B) 0.087 L.S

. In what range is GPWS operative? a. 2450 – 0 ft b. 3000 – 50 ft c. 2450 – 50 ft d. 3000 – 0 ft

Description : . In what range is GPWS operative? a. 2450 – 0 ft b. 3000 – 50 ft c. 2450 – 50 ft d. 3000 – 0 ft

Last Answer : c. 2450 – 50 ft

In what range is GPWS operative? a. 2450 – 0 ft b. 3000 – 50 ft c. 2450 – 50 ft d. 3000 – 0 ft

Description : In what range is GPWS operative? a. 2450 – 0 ft b. 3000 – 50 ft c. 2450 – 50 ft d. 3000 – 0 ft

Last Answer : c. 2450 – 50 ft

For an adult male daily requirement of iodine is (A) 25–50 µg (B) 50–100 µg (C) 100–150 µg (D) 200–250 µg

Description : For an adult male daily requirement of iodine is (A) 25–50 µg (B) 50–100 µg (C) 100–150 µg (D) 200–250 µg

Last Answer : Answer : A

Fee for availing business reply service a) Apr to Jun -100, Jul to Sep-75, Oct to Dec-50, Jan to Mar -25 b) Apr to Jun -200, Jul to Sep-150, Oct to Dec-100, Jan to Mar -50 c) Apr to Jun -250, Jul to Sep-150, Oct to Dec-75, Jan to Mar -50 d) Free of cost

Description : Fee for availing business reply service a) Apr to Jun -100, Jul to Sep-75, Oct to Dec-50, Jan to Mar -25 b) Apr to Jun -200, Jul to Sep-150, Oct to Dec-100, Jan to Mar -50 c) Apr to Jun -250, Jul to Sep-150, Oct to Dec-75, Jan to Mar -50 d) Free of cost

Last Answer : b) Apr to Jun -200, Jul to Sep-150, Oct to Dec-100, Jan to Mar -50

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to (A) 25 (B) 50 (C) 100 (D) 250

Description : A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is  nearly equal to  (A) 25  (B) 50  (C) 100  (D) 250 

Last Answer : (B) 50