Number of particles in a crushed solid sample is given by (where, m = mass of pa

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Question
Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, V_p = volume of one particle, ?= density of particles)
Options
A. m/? . V_p
B. m . ?/V_p
C. m . V_p/?
D. V_p/m . ?

Correct Answer

m/? . V_p

More questions

1. Use of 'grinding aids' is done in __________ grinding.
Options
A. dry
B. wet
C. ultrafine
D. intermediate

Discuss

Correct Answer: dry

2. Grinding efficiency of a ball mill is of the order of __________ percent.
Options
A. 1-5
B. 40-50
C. 75-80
D. 90-95

Discuss

Correct Answer: 1-5

3. Poly tetra flouro ethylene (PTFE) is known as
Options
A. dacron
B. teflon
C. bakelite
D. celluloid

Discuss

Correct Answer: teflon

4. German silver used for decorative purposes contains maximum percentage of
Options
A. silver
B. copper
C. zinc
D. nickel

Discuss

Correct Answer: copper

5. Ammonium phosphate is a __________ fertiliser.
Options
A. nitrogenous
B. phosphatic
C. complex
D. mixed

Discuss

Correct Answer: mixed

6. Radioactivity of an isotope is expressed in
Options
A. barn
B. MeV
C. Curie
D. Ergs

Discuss

Correct Answer: Curie

7. Corrosion of metals can not be prevented by its
Options
A. tempering
B. chromising
C. aluminising
D. alloying

Discuss

Correct Answer: tempering

8. The value of 'angle of nip' is generally about
Options
A. 16°
B. 32°
C. 52°
D. 64°

Discuss

Correct Answer: 32°

9. Which is a neutral refractory?
Options
A. Graphite
B. Magnesite chrome
C. Silica
D. Magnesia

Discuss

Correct Answer: Graphite

10. Buna-S is also known as
Options
A. teflon
B. PTFE
C. SBR
D. polycrylates

Discuss

Correct Answer: SBR

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Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, V_p = volume of one particle, ?= density of particles)

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Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ?= density of particles)

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Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, V_p = volume of one particle, ?= density of particles)