

InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
151. |
A collection of variables or parameters that has no net dimensions or units are called(a) Dimensionless group(b) Dimensional group(c) Derived dimension group(d) None of the mentionedI had been asked this question in a job interview.Query is from Dimensional Consistency in division Introductory Concepts of Chemical Process Calculation |
Answer» The correct CHOICE is (a) Dimensionless GROUP |
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152. |
A relation of distance with time is given as d = 25(1-exp(-0.021t)) µm where d is in microns and t in seconds. What is the relation if d is in inches and t in minutes?(a) 25(1-exp(-0.021t)) in(b) 1.64(1-exp(0.26t)) in(c) 3.84(1-exp(0.26t)) in(d) 9.84(1-exp(1.26t)) inThe question was posed to me in an interview.Question is taken from Dimensional Consistency in section Introductory Concepts of Chemical Process Calculation |
Answer» The CORRECT choice is (d) 9.84(1-exp(1.26t)) in |
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153. |
What is the unit of b?(a) L/K(b) L/(K)(atm)(c) L/(K)(atm)(mole)(d) None of the mentionedI had been asked this question during an internship interview.I need to ask this question from Dimensional Consistency in portion Introductory Concepts of Chemical Process Calculation |
Answer» The correct CHOICE is (b) L/(K)(atm) |
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154. |
What is the unit of c?(a) L/K(b) L/(K)(atm)(c) L/(K)(atm)(mole)(d) None of the mentionedI got this question during an interview for a job.I'm obligated to ask this question of Dimensional Consistency in chapter Introductory Concepts of Chemical Process Calculation |
Answer» The correct option is (c) L/(K)(atm)(MOLE) |
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155. |
28 lbm/ft. is eqal to(a) 41.7 kg/m(b) 41.7 g/cm(c) 41.7 g/ft(d) None of the mentionedI had been asked this question in an interview for job.The origin of the question is Conversion of Units-II topic in chapter Introductory Concepts of Chemical Process Calculation |
Answer» Right CHOICE is (a) 41.7 kg/m |
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156. |
25 Kg is(a) 2.500 g(b) 2.5000 g(c) 55 lb(d) 0.055 lbI have been asked this question in an international level competition.My doubt stems from Conversion of Units-II topic in portion Introductory Concepts of Chemical Process Calculation |
Answer» RIGHT choice is (d) 0.055 LB Explanation: 1 lb = 454 GM. |
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157. |
30 mile/hour is equal to(a) 25.26 ft./sec(b) 35.36 ft./sec(c) 45.46 ft./sec(d) 55.56 ft./secI have been asked this question in examination.This is a very interesting question from Conversion of Units-II topic in division Introductory Concepts of Chemical Process Calculation |
Answer» CORRECT answer is (c) 45.46 ft./sec To explain I WOULD SAY: 1 MILE = 5280 ft. and 1 hr. = 3600 sec. |
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158. |
The Pascal (Pa) unit of pressure can be written as:(a) N.m-2(b) mg/mL(c) MmHg(d) Kg .m2The question was asked in an interview for internship.Query is from Conversion of Units-II topic in section Introductory Concepts of Chemical Process Calculation |
Answer» The CORRECT ANSWER is (a) N.m-2 |
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159. |
1 bar pressure is equal to(a) 10 KN/m2(b) 100 KN/m2(c) 1000 KN/m2(d) 10000 KN/m2I have been asked this question in semester exam.This key question is from Conversion of Units-II in portion Introductory Concepts of Chemical Process Calculation |
Answer» The correct ANSWER is (b) 100 KN/m2 |
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160. |
3.5 mile is equal to(a) 18480 ft.(b) 2217600 in.(c) 56327 m(d) All of the mentionedThis question was addressed to me in final exam.I would like to ask this question from Conversion of Units-II in division Introductory Concepts of Chemical Process Calculation |
Answer» The correct choice is (d) All of the mentioned |
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161. |
Conversion factor to change inches in to cm. is(a) 1/2.54(b) 2.54(c) 1/12(d) 12I have been asked this question in a job interview.My question is taken from Conversion of Units-II topic in division Introductory Concepts of Chemical Process Calculation |
Answer» Correct choice is (b) 2.54 |
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162. |
Acceleration of gravity in AE system is equal to(a) 0.32174 ft/s2(b) 3.2174 ft/s2(c) 32.174 ft/s2(d) 321.74 ft/s2I had been asked this question during an online interview.The origin of the question is Conversion of Units-I topic in section Introductory Concepts of Chemical Process Calculation |
Answer» Correct CHOICE is (c) 32.174 ft/s2 |
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163. |
1.5 nm. is equal to(a) 1.5*10^-8 dm(b) 0.15 Angstrom(c) 5.9*10^-10 in(d) All of the mentionedI have been asked this question in semester exam.I would like to ask this question from Conversion of Units-I in division Introductory Concepts of Chemical Process Calculation |
Answer» Correct option is (d) All of the mentioned |
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164. |
What is the value of 200 ft3/min in mile3/day?(a) 0.95×10-6(b) 1.95×10-6(c) 0.95×106(d) 1.95×106This question was addressed to me during an interview.Asked question is from Conversion of Units-I in chapter Introductory Concepts of Chemical Process Calculation |
Answer» The correct ANSWER is (b) 1.95×10-6 |
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165. |
What is the potential energy of a box in (ft)(lbf), kept on a wall having a height 20 ft above the surface?Assume that the mass of the box is 100 lb.(a) 1000(b) 2000(c) 3000(d) 4000This question was addressed to me at a job interview.I want to ask this question from Conversion of Units-I in portion Introductory Concepts of Chemical Process Calculation |
Answer» CORRECT answer is (b) 2000 Explanation: PE = MGH, G = 32.2 ft/s2. |
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166. |
Oil is flowing through a 4 in.-diameter pipe having a velocity of 6 ft/sec. The flow rate gallon per minute and kinetic energy of water in (ft)(lbf)/lbmare respectively?(a) 469.92 and 1.12(b) 352.44 and 0.84(c) 234.96 and 0.56(d) 117.48 and 0.28I have been asked this question by my college professor while I was bunking the class.Query is from Conversion of Units-I in section Introductory Concepts of Chemical Process Calculation |
Answer» The CORRECT OPTION is (C) 234.96 and 0.56 |
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167. |
30 (in)(cm2)/(yr)(s)(lbm)(ft2) to all SI units.(a) 5.72×10-11(b) 4.76×10-12(c) 8.73×10-11(d) 4.45×10-12I have been asked this question in exam.This intriguing question comes from Conversion of Units-I topic in division Introductory Concepts of Chemical Process Calculation |
Answer» The CORRECT ANSWER is (a) 5.72×10-11 |
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168. |
A car is travelling with a speed of 550 ft/sec. How fast it is going in miles per hour?(a) 375(b) 750(c) 900(d) 1800The question was posed to me in a job interview.My question is based upon Conversion of Units-I topic in division Introductory Concepts of Chemical Process Calculation |
Answer» Correct ANSWER is (a) 375 |
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169. |
Which one is an incorrect conversion(a) 1 inch = 2.54 cm(b) 1 mile = 5280 ft.(c) 1 ft. = 12 inch(d) None of the mentionedThe question was posed to me during an online exam.Query is from Conversion of Units-I topic in division Introductory Concepts of Chemical Process Calculation |
Answer» Correct ANSWER is (d) None of the MENTIONED |
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170. |
__________ are statements of equivalent values of different units in the form of ratios.(a) Fraction factor(b) Conversion factor(c) Expand factor(d) None of the mentionedThe question was asked by my college professor while I was bunking the class.The origin of the question is Conversion of Units-I topic in section Introductory Concepts of Chemical Process Calculation |
Answer» RIGHT answer is (b) Conversion factor Explanation: Conversion factor are statements of equivalent values of DIFFERENT units in the FORM of RATIOS. |
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171. |
Jule/Kg.Kelvin is a(a) SI unit(b) AE unit(c) Neither SI nor AE unit(d) None of the mentionedI had been asked this question in an interview for job.The origin of the question is System of Units in section Introductory Concepts of Chemical Process Calculation |
Answer» Right choice is (a) SI UNIT |
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172. |
When quantities with units are added or subtracted, they need to be expressed in the ______ unit.(a) Different(b) Same(c) Derived(d) FundamentalI got this question in a job interview.The origin of the question is System of Units topic in section Introductory Concepts of Chemical Process Calculation |
Answer» Right CHOICE is (b) Same |
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173. |
Which one is a unit?(a) Feet(b) Second(c) Square meter(d) All of the mentionedThis question was addressed to me in my homework.This intriguing question comes from System of Units topic in portion Introductory Concepts of Chemical Process Calculation |
Answer» The correct option is (d) All of the mentioned |
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174. |
Which one is not a dimension?(a) Length(b) Mass(c) Time(d) KelvinI have been asked this question in final exam.My enquiry is from System of Units topic in chapter Introductory Concepts of Chemical Process Calculation |
Answer» RIGHT choice is (d) KELVIN The BEST EXPLANATION: Kelvin is a UNIT, not dimension. |
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175. |
___________ are the means of explicitly expressing the dimensions.(a) Units(b) Dimensions(c) Significant figures(d) None of the mentionedThe question was posed to me in my homework.Origin of the question is System of Units topic in chapter Introductory Concepts of Chemical Process Calculation |
Answer» Right CHOICE is (a) UNITS |
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176. |
________ dimensions are those that can be developed in terms of fundamental dimensions.(a) Fundamental(b) Derived(c) Unit(d) None of the mentionedI have been asked this question in class test.This question is from System of Units topic in section Introductory Concepts of Chemical Process Calculation |
Answer» RIGHT CHOICE is (b) DERIVED The explanation: Derived DIMENSIONS are those that can be developed in terms of FUNDAMENTAL dimensions. |
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177. |
_________ are the general expression of a characteristics of measurement.(a) Units(b) Dimensions(c) Neither unit nor dimension(d) None of the mentionedI have been asked this question by my school teacher while I was bunking the class.My question comes from System of Units in section Introductory Concepts of Chemical Process Calculation |
Answer» The CORRECT OPTION is (b) Dimensions |
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