What is the minimum number of round scales in a screw yardage of 100 and pitch 1 mm ?

What is the minimum number of round scales in a screw yardage of 100 and pitch 1 mm ?
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Answer :

The number of round scales in a screw yard is 100 and the pitch is 1 mm. Its minimum count is 0.01 mm.
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Why aren't there screw-based cocking mechanisms for crossbows?

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What is it called as the screw moves away when only one part of the circular scale is rotated ?

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A straight round copper conductor of radius `R = 5.0 mm` carries a current `I = 50 A` Find the potentail difference between the axis of the conductor

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A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is – (1) the same in both cases in all respects (2) of higher intensity when train arrives (3) of higher pitch when train arrives (4) of higher pitch when train departs

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A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is - (1) the same in both cases in all respects (2) of higher intensity when train arrives (3) of higher pitch when train arrives (4) of higher pitch when train departs

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Last Answer : (3) of higher pitch when train arrives

Loudness of sound depends on – (1) Frequency (2) Wavelength (3) Amplitude (4) Pitch

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Speed of sound in air depends on the - (1) Chemical conditions (2) Physical conditions (3) Pitch (4) None of these

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Which among the following determines the pitch of a sound? (1) Amplitude (2) Frequency (3) Loudness (4) Wavelength

Description : Which among the following determines the pitch of a sound? (1) Amplitude (2) Frequency (3) Loudness (4) Wavelength

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The pitch of the sound is measured by its: (1) Intensity (2) waveform (3) Frequency (4) Loudness

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The loudness of sound depends upon (1) Velocity (2) Pitch (3) Amplitude (4) Wavelength

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Last Answer : (3) Amplitude Explanation: Loudness is the characteristic of a sound that is primarily a psychological correlate of physical strength (amplitude).

The pitch of sound depends on its – (1) Frequency (2) Intensity (3) Velocity (4) Amplitude

Description : The pitch of sound depends on its – (1) Frequency (2) Intensity (3) Velocity (4) Amplitude

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Loudness of sound varies directly with vibrating body’s – (1) Intensity (2) Amplitude (3) Pitch (4) Quality

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Loudness of sound depends on (1) Frequency (2) Wavelength (3) Amplitude (4) Pitch

Description : Loudness of sound depends on (1) Frequency (2) Wavelength (3) Amplitude (4) Pitch

Last Answer : Amplitude

The pitch of sound depends on its (1) Frequency(2) Intensity (3) Velocity (4) Amplitude

Description : The pitch of sound depends on its (1) Frequency(2) Intensity (3) Velocity (4) Amplitude

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A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is (1) the same in both cases in all respects (2) of higher intensity when train arrives (3) of higher pitch when train arrives (4) of higher pitch when train departs

Description : A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is (1) the same in both cases in all respects (2) of higher intensity when train arrives (3) of higher pitch when train arrives (4) of higher pitch when train departs

Last Answer :  of higher pitch when train arrives

Which of the following statements is incorrect? (A) Minimum cross sectional area of longitudinal reinforcement in a column is 0.8% (B) Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm (C) Reinforcing bars in a column should not be less than 12 mm in diameter (D) The number of longitudinal bars provided in a circular column should not be less than four

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Last Answer : Answer: Option D

Select the incorrect statement from the following [ A ] Reinforcing bars in a column should not be less than 12 mm in diameter [ B ] The number of longitudinal bars in a circular column should not exceed four [ C ] The minimum percentage of longitudinal steel in columns should be 0.8% [ D ] None of the above

Description : Select the incorrect statement from the following [ A ] Reinforcing bars in a column should not be less than 12 mm in diameter [ B ] The number of longitudinal bars in a circular column should not ... The minimum percentage of longitudinal steel in columns should be 0.8% [ D ] None of the above

Last Answer : [ B ] The number of longitudinal bars in a circular column should not exceed four

The least count of a Vernier scale is (A) Sum of the smallest divisions of main and Vernier scales (B) Value of one division of the primary scale divided by total number of divisions of Vernier scale (C) Value of one division of Vernier scale divided by total number of divisions of primary scale (D) None of these

Description : The least count of a Vernier scale is  (A) Sum of the smallest divisions of main and Vernier scales  (B) Value of one division of the primary scale divided by total number of divisions ... division of Vernier scale divided by total number of divisions of primary scale  (D) None of these 

Last Answer : (B) Value of one division of the primary scale divided by total number of divisions of Vernier  scale 

A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is A. 0.30 m/sec B. 0.35 m/sec C. 0.40 m/sec D. 0.45 m/sec

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Last Answer : ANS: D

. In case of a hammer crusher, the (A) Feed may be highly abrasive (Moh's scale >5) (B) Minimum product size is 3 mm (C) Maximum feed size may be 50 mm (D) Rotor shaft carrying hammers can be vertical or horizontal

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Last Answer : (D) Rotor shaft carrying hammers can be vertical or horizontal

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 × 10 3 VOM + 10.94 × 10 6 V2 OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s

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Last Answer : (B) 16 mm/s

The difference in the reservoir level and the lowest point of the water mains is 180 m. The expected pressure due to water hammer is 7.5 kg/cm2 in a pressure conduit of diameter 1 m. Assuming the efficiency of the riveted joints of the pipe as 0.6 and minimum cover 3 mm for corrosion, the thickness of the pipe materials, is (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm

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Last Answer : (C) 20 mm

A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2 ), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is (A) 25 N (B) 30 N (C) 35 N (D) 40 N

Description : A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2 ), 4 mm in  diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive  load to remove the clearance, is  (A) 25 N  (B) 30 N  (C) 35 N  (D) 40 N 

Last Answer : (C) 35 N