Description : When your mass is 96 kg. The acceleration due to gravity is 9.8 ms 2 . How much work against gravity do you do when you climb a flight of stairs 3.8 m high Answer in units of J.?
Last Answer : 4
Description : Two thick slices of bread, when completely oxidized by the body, can supply 200,000 cal of heat. How much work is this equivalent to? a) 4,190,000 joules b) 8,390,000 joules c) 839, ... d) 419 000 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie
Last Answer : 419 000 joules
Description : How many joules of work is the equivalent of 15000 cal of heat? a) 62850 joules b) 3579.95 joules c) 14995.81 joules d) 15004.19 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie
Last Answer : 62850 joules
Description : What is the SI unit of specific heat capacity? A. J/kg B. J/kg °F ∙ C. J/kg °C ∙ D. J/°C
Last Answer : J/kg °C
Description : The units of resistance to heat transfer is (A) J.m-2 .K-1 (B) J.m-1 .K-1 (C) W.m-2 .K-1 (D) W-1m2K
Last Answer : (D) W-1m2K
Description : Utilizing the answer to the previous problem, estimate the overall or average increase in temperature ( ΔT) of the concrete roof from the energy absorbed from the sun during a12hour day. Assume that all of the radiation absorbed goes into ... °C b. 8.9°C c. 9.9°C d. 10.9°C formula: ΔQ = m c ΔT
Last Answer : 7.9 °C
Description : The unit of Torque in SI units (a) kg-m (b) kg-cm (c) N-m (d) N/m2
Last Answer : (c) N-m
Description : Glucose overload results in increased CO 2 production. Which of the following statements are true? A. In patients with respiratory insufficiency, administration of glucose as a principal calorie ... who are supported by respirators in intensive care units and are receiving nutritional support.
Last Answer : Answer: C DISCUSSION: Few papers have excited as much interest as that by Askanazi, Kinney, and co-workers, which demonstrated that glucose calories given to patients with severe respiratory ... the caloric requirement and glucose for the remainder, without much fear of excessive CO 2 production
Description : Which one of the following units represents the largest amount of energy? A. Electron volt B. Joule C. Erg D. Calorie
Last Answer : ANSWER: D
Description : Which quantity do the following units measure: (i) Volt (ii) Coulomb (iii) Walt (iv) Ohm (v) Mho (vi) Ampere (vii) Dyne (viii) Celsius (ix) Joule (x) Calorie
Last Answer : Answers: (i) Voltage (ii) Charge of Electricity (iii) Power (iv) Resistance (v) Conductivity (vi) Current (vii) Force (viii) Temperature (ix) Energy (x) Heat
Description : Which of the following units of energy is the smallest: w) calorie x) Joule y) erg z) electron-volt
Last Answer : ANSWER: Z -- ELECTRON-VOLT
Description : In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are. (A) μ , α and θ all have units of m/ ... μ has unit of m/s (D) α and θ have units of m/s, while μ has unit of m2/s
Last Answer : Option C
Description : Calculate the free torsional vibrations of a single motor system from the following data: C = 8 GN/m 2 , L=9m, I = 600 Kg-m 2 , J = 8×10 4 m 4 a) 162,132 b) 172,132 c) 182,132 d) 192,132
Last Answer : b) 172,132
Description : The unit of calorific value of fuel is __________ . a) Kj /Kg b) J/Kg c)Kj /g d)J/g
Last Answer : a) Kj /Kg
Description : Which of the following is not the unit of work, energy and heat? (A) kcal (B) kg m (C) kWhr (D) hp
Last Answer : (D) hp
Description : There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and ... (Formula: T2= T1p2/ p1) a. 999 K b. 888 K c. 456 K d. One of the above
Last Answer : 999 K
Description : What is the specific heat capacity of water in J/kg °C? ∙ A. 4581 B. 4185 C. 4518 D. 4815
Last Answer : 4185
Description : Work done by a body of mass 100 kg moving along a circular path of radius 2 m with a uniform velocity of 10 m/sec is a.5000 J b.2500 J c.509.68 J d.None of the above e.Tapered bearing
Last Answer : d. None of the above
Description : Calculate the radius of the first and second orbit of sodium atom `(Z=11)`. `(h=6.6xx10^(-34) J s, e=1.6xx10^(-19) C` and `m=9.1xx10^(-31) kg.)`
Last Answer : Calculate the radius of the first and second orbit of sodium atom `(Z=11)`. `(h=6.6xx10^(-34) J s, e=1.6xx10^(-19) C` and `m=9.1xx10^(-31) kg.)`
Description : The work done in holding a weight of 20 kg at a height of 1 m above the ground is (a) Zero (b) 20 J (c) 200 J (d) 2000 J
Last Answer : Ans:(a)
Description : If Ic = 125 Kg-m 2 and ω= 20 rad/s, calculate the kinetic of the constraint. a) 8333 J b) 7333 J c) 6333 J d) 9333 J
Last Answer : a) 8333 J
Description : The unit of pressure in S.I. units is (a) kg/cm2 (b) mm of water column (c) pascal (d) dynes per square cm (e) bars
Last Answer : Answer : c
Description : AT Co makes a single product and is preparing its material usage budget for next year. Each unit of product requires 2kg of material, and 5,000 units of product are to be produced next year. Opening inventory of material is budgeted ... (a) 8,000 Kg((b) 9,840 kg ((c) 10,000 Kg (d) 10,160 Kg
Last Answer : ((c) 10,000 Kg
Description : Standard quantity of material per unit 5KG. Standard Price Rs 5 per KG. actual number of units 400 units. Actual quantity 2,200KG and price of material Rs 4.80 per kg. Calculate material price. a) 100(F) b) 500(A) c) 440(F) d) 600(F)
Last Answer : The standard quantity of material per unit is 5KG, so the standard quantity for 400 units would be: Standard quantity = 5KG/unit x 400 units = 2000KG The standard price per KG is Rs 5, so the ... material cost was lower than the standard material cost. Option (c) is the correct answer: 440(F).
Description : A loss of excitation protection scheme for large generating unit employs A) under frequency relays B) offset Mho relay C) reactance relay D) percentage differential relay
Last Answer : A loss of excitation protection scheme for large generating unit employs offset Mho relay
Description : The units of moment of inertia are a.kgm4 b.kg-m2 c.kg/m2 d.kg/m e.m4
Last Answer : c. kg/m2
Description : A couple consists of a force P acting at a point A whose coordinates are (-1,2,4) m and force - F acting at a point whose coordinates are (2,3, -2)m. If F = 3i + 2j - 4k in kg units the moment of the couple in kg - m ... .8i - 6j - 3k b.12i - 3j + k c.16i - 12j - 6k d.4i - 3j + k e.8i + 5j + 3k
Last Answer : a. 8i - 6j - 3k
Description : The units of moment of inertia of an area are a.kg - m b.m4 c.kg - m4 d.kg - m3 e.(kg - m)2
Last Answer : b. m4
Description : The units of moment of inertia of mass are (A) kg m² (B) m 4 (C) kg/m² (D) kg/m
Last Answer : (A) kg m²
Description : The units of moment of inertia of an area are (A) kg m² (B) m 4 (C) kg/m² (D) m
Last Answer : (B) m 4
Description : Claude process of gas liquefaction employs (A) Merely compression of gas beyond its critical pressure (B) Joule-Thomson expansion cooling (C) Heat exchange with colder stream (D) Adiabatic expansion against a piston or in a turbine
Last Answer : (D) Adiabatic expansion against a piston or in a turbine
Description : Linde process of gas liquefaction employs (A) Exchange of heat with colder stream (B) Adiabatic expansion through a throttle valve (Joule-Thomson expansion) (C) Adiabatic expansion against a piston or in a turbine (D) Merely compressing the gas beyond its critical pressure
Last Answer : (B) Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Description : Evaporative cooling process employs a combination of cooling and humidification in which the (A) Sensible heat is added (B) Sensible heat is removed and the latent heat is added (C) Latent heat is removed (D) Sensible heat is added and latent heat is removed
Last Answer : Option B
Description : (i) A system of book-keeping which records only one aspect of business transactions and ignores other aspects.
Last Answer : Write a word, term, or phrase which can substitute each of the following statements : (i ... approximate or estimated values as on a particular date.
Description : (i) A system of book-keeping in which both the aspects of transactions are recorded.
Last Answer : Write a word, term, or phrase which can substitute each of the following statements : (i) A ... find out profit or loss under a single entry system.
Description : In a heat exchanger, one transfer unit means (A) A section of the exchanger in which change in temperature of one stream equals the average driving force in the section (B) The size of the exchanger in which heat transfer rate is 1 kcal/hr (C) Both (A) and (B) (D) None of these
Last Answer : (A) A section of the exchanger in which change in temperature of one stream equals the average driving force in the section
Description : A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be (A) 5 tonnes metre (B) 10 tonnes metre (C) 15 tonnes metre (D) 20 tonnes metre
Last Answer : (D) 20 tonnes metre
Description : What is the SI unit of energy? A. Newton B. Btu C. Calorie D. Joule
Last Answer : Joule
Description : The SI unit of charge is: (a) Coulomb (b) Calorie (c) Ampere (d) Joule
Last Answer : a) Coulomb
Description : What would the current state of human civilisation be, if humans were the size of the average lagomorph?
Last Answer : Here's my conjecture. .Brain size would be limited so processing capability would be limited too. Calorie intake needs would be reduced so a vegetarian diet would be easy to support. They would live ... themselves. And opposable thumbs would give them the dexterity to put some of their ideas to use.
Description : If a Starfleet Officer dies, and is reincarnated as a member of a pre-warp civilisation, but retains all memories of her/his previous life, does the Prime Directive still apply to him?
Last Answer : The Prime Directive doesn't seem to matter to those in the current non reincarnated Starfleet members. So no. However the Temporal prime directive might apply . I wonder about my own reincarnation If giving ... live a perfect life so that I am granted the freedom to make more changes to the thread.
Description : By interrupting oceanic streams like the Gulf Stream, Global Warming could very well cause another Ice Age. What would be the effects of a new Ice Age on human civilisation?
Last Answer : answer:Well, we really are all doomed. Even if we learn to live forever, it leaves us in a Universe facing heat death from entropy. Here's some good data about the accuracy of current ... are a good bet, that does noting to mitigate the continually increasing greenhouse effect of human activity.
Description : An alien civilisation decides to end humanity and punish you for your sins. Does Humanity deserve survival? Tell us why, or why not.
Last Answer : Easy one. NO! We suck. Maybe the animals will have a chance without us. But if they are planning on eating us, I’m going down fighting.
Description : Name the two towns which existed in the Indus Valley civilisation. -Geography
Last Answer : (i) Harappa. (ii) Mohanjodaro
Description : In which year was the Indus Valley Civilisation discovered? -General Knowledge
Last Answer : The answer is '1921'
Description : What was the primary purpose of a seal in the Indus Valley Civilisation? -Do You Know?
Last Answer : answer:
Description : Of which metal were the tools and weapons of Harappan civilisation? -Do You Know?
Description : Which is the world's oldest civilisation -History
Last Answer : Indus-Valley civilization is the answer
Description : Kayatha culture was contemporary to the Harappan civilisation.
Last Answer : Kayatha culture was contemporary to the Harappan civilisation.