Description : Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C. (A) 723 (B) 959 (C) 1147 (D) 1493
Last Answer : Option A
Description : The temperature at which new grains are formed in the metal is called the __________ temperature. (A) Eutectic (B) Recrystallisation (C) Upper critical (D) Lower critical
Last Answer : (B) Recrystallisation
Description : At __________ point, all the three phases (i.e. solid, liquid and gas) co exist. (A) Eutectic (B) Triple (C) Plait (D) Critical
Last Answer : (B) Triple
Description : The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the (A) Critical point (B) Curie temperature (C) Inversion temperature (D) Eutectic temperature
Last Answer : (B) Curie temperature
Description : Which of the following is NOT closely associated with a non-magnetic Phase Diagram? w) Eutectic Temperature (pron: you-tek-tik) x) Curie Point y) Solidus z) Liquidus Curves
Last Answer : ANSWER: X -- CURIE POINT
Description : __________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gasvapor mixture. (A) Dry bulb (B) Wet bulb (C) Dew point (D) None of these
Last Answer : (B) Wet bulb
Description : Which of the following is not used as a medium for high temperature heating ? (A) Dowtherm (B) Mercury (C) Liquid metal (e.g. molten sodium) (D) Fused salts (e.g., an eutectic mixture of 53% KNO3 , 40% NaNO2and 7% NaNO3 )
Last Answer : (B) Mercury
Description : Which of the following terminology is used for the temperature at which new grains are formed in a metal? (A) Eutectic temperature (B) Lower critical temperature (C) Recrystallisation temperature (D) Upper critical temperature
Last Answer : Recrystallisation temperature
Description : Temperature attained in soldering of metals is about __________ °C. (A) 150-300 (B) 400-500 (C) 650-800 (D) 1000-1100
Last Answer : (A) 150-300
Description : Of the four locations mentioned below, the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open (a) At sea level (b) At the top of Mt Everest (c) ... ) In an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
Last Answer : Ans:(c)
Description : an eutectic system, two elements are completely (A) Soluble in solid state (B) Insoluble in liquid state (C) Insoluble in both solid & liquid state (D) Soluble in liquid state
Last Answer : Option D
Description : Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature. (A) Highest possible (B) Lowest possible (C) Intermediate (D) Room
Last Answer : (A) Highest possible
Description : Hardening of steel is not possible unless it is heated __________ critical point. (A) Above the highest (B) Above the lowest (C) Between the first & second (D) Between the second & third
Last Answer : (B) Above the lowes
Description : Hardening of steel is not possible, unless it is heated __________ critical point. (A) Above the highest (B) Above the lowest (C) Between the first & second (D) Between the second & third
Last Answer : (B) Above the lowest
Description : uniform-cost search expands the node n with the __________ a) Lowest path cost b) Heuristic cost c) Highest path cost d) Average path cost
Last Answer : a) Lowest path cost
Description : In the eye of the cyclone the temperature is: a) Highest b) Lowest c) Normal d) Average
Last Answer : b) Lowest
Description : The elevation Z of the watershed is: (where letters carry their usual meanings) (A) Reduced level of the top most point of the basin (B) Reduced level of the lower most point of the basin (C) Average ... highest and lowest point of the drainage basin (D) Obtained by the formula Z = + + + anzn)/A
Last Answer : Answer: Option D
Description : Regarding battery charging rooms, ventilation should be provided __________. A. at the lowest point of the room B. horizontally near the batteries C. at the highest point of the room D. only when charging is in progress
Last Answer : Answer: C
Description : Pressure Cooker cooks faster because (1) boiling point decreases with rise of pressure (2) it cooks the food at low pressure (3) higher temperature is attained for cooking (4) the material of the cooker is a good conductor
Last Answer : (3) higher temperature is attained for cooking Explanation: In pressure cooker boiling point of water increases due to high pressure.
Last Answer : higher temperature is attained for cooking
Description : Which of the following is used as base material in Stereolithography (SLA) process? a.Thermoplastics , Metals powders b.Thermoplastics , Eutectic metals. c.Titanium alloys d.Photopolymer
Last Answer : d.Photopolymer
Description : What is eutectic ?
Last Answer : Eutectic Greek word. The word eutectic means Easy Melting . Eutectic is an alloy in an alloy series that freezes and melts at a certain temperature, and the two metals in the internal structure are stratified in a stratified form. That is, it does not dissolve under difficult conditions.
Description : Explain the terms solid solution, eutectic, eutectoid and peritectic.
Last Answer : Solid Solution. When a homogeneous mixture of two (or more) atomic forms exists in solid state, it is known as solid solution. Eutectic. A mixture of two (or more) phases which solidify ... a different and new solid phase. This three phase transformation occurs at a point called peritectic point.
Description : The frequency at which maximum amplitude ratio is attained is called the __________ frequency. (A) Corner (B) Resonant (C) Cross-over (D) Natural
Last Answer : (B) Resonant
Description : The state which has attained the dubious distinction of being topper in the list with the highest encroachment of forest land: (a) Bihar (b) Andhra Pradesh (c) Haryana (d) Punjab
Last Answer : Ans: (c)
Description : Pick out the wrong statement. (A) Theoretical flame temperature is the temperature attained by the products of combustion, when the fuel is burned without loss or gain of heat (B) ... flame temperature (D) Adiabatic flame temperatures of actual combustions are always less than the maximum values
Last Answer : (C) Burning the fuel with excess pure oxygen results in maximum theoretical flame temperature
Description : The maximum adiabatic flame temperature is attained, when the fuel is burnt with (A) Theoretically required amount of air (B) More than theoretically required amount of air (C) Less than theoretically required amount of air (D) Theoretically required amount of oxygen
Last Answer : (D) Theoretically required amount of oxygen
Description : Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in (A) Air (B) Oxygen (C) Either (A) or (B) (D) Either (A) or (B) without gain or loss of heat
Last Answer : (D) Either (A) or (B) without gain or loss of heat
Description : Which of the following has the highest density and the lowest melting point? (A) Stainless steel (B) Titanium (C) Lead (D) Aluminium
Last Answer : (C) Lead
Description : It is essential that the all possible yield line patterns have to be investigated to find the ------------ [ A ] Highest value of the ultimate load [ B ] Lowest value of the ultimate load [ C ] Average value of all the loads. [ D ] None of the above.
Last Answer : [ B ] Lowest value of the ultimate load
Description : The batting average for 20 innings of a cricketer is 25 runs. His highest score exceeds his lowest score by 86 runs. If these two innings are excluded, the average of the remaining 18 innings is 22runs. Find out the highest score of the player. A) 85 B) 90 C) 95 D) 100
Last Answer : C) Total runs scored by the player in 20 innings = 20*25 Total runs scored by the player in 18 innings after excluding two innings = 18 22 Sum of the scores of the excluded innings = 20 25 - 18 22 = 104 Given that ... Now x + 86 + x = 104 => 2x = 18 then x = 9 Highest score = 9+ 86 = 95
Description : A batsman average for 20 innings is 25 runs. His highest score exceeds his lowest score by 64 runs. If these 2 innings are excluded, the average of the remaining 18 innings is 24 runs. The highest score of the player is. A) 66 B) 72 C) 77 D) 88
Last Answer : A) Let the highest score be ‘x’ Then lowest score = x-64 Then (25 *20)- 18 * 24 = 432 X+X-64=68 X=66
Description : Absolute zero pressure can be attained at a temperature of (A) 0°C (B) 50°K (C) 0°R (D) None of these
Last Answer : (C) 0°R
Description : The condition of perfect vacuum, i.e., absolute zero pressure can be attained at (a) a temperature of – 273.16°C (b) a temperature of 0°C (c) a temperature of 273 °K (d) a negative pressure and 0°C temperature (e) can’t be attained.
Last Answer : Answer : a
Description : According to kinetic theory of gases, the absolute zero temperature is attained when (a) volume of the gas is zero (b) pressure of the gas is zero (c) kinetic energy of the molecules is zero (d) specific heat of gas is zero (e) mass is zero.
Last Answer : Answer : c
Description : A ball thrown by one player reaches the other in 2 seconds. The maximum height attained by the ball above the point of projection will be :- `(g = 10
Last Answer : A ball thrown by one player reaches the other in 2 seconds. The maximum height attained by the ball above the point of ... B. 7.5 m C. 5 m D. 2.5 m
Description : In a solution of the three-point problem in plane table surveying, the converging of error is attained through : (a) Concyclic concept (b) Bessel’s method (c) Triangle of error (d) Tracing paper method
Last Answer : (c) Triangle of error
Description : Any point beyond PPF curve can be attained by (a) Increasing supply of factor inputs ; (b) Technological innovation ; (c) Both ; (d) None
Last Answer : ; (c) Both ;
Description : On application of pressure to the equilibrium system, ice ⇌ water; which of the following phenomenon will occur? (A) Water will evaporate (B) Equilibrium will not be attained (C) More ice will be formed (D) More water will be formed
Last Answer : (D) More water will be formed
Description : In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. (A) Equal to (B) More than (C) Less than (D) Either more or less than (depending upon the fluid)
Last Answer : (A) Equal to
Description : What was the highest an lowest temperature ever recorded in Oak Harbor WA?
Last Answer : What is the answer ?
Description : The capacity of the compressor will be highest when its intake temperature is A. Lowest B. highest C. Atmospheric D. Unpredictable
Last Answer : ANSWER : C
Description : From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.
Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.
Description : At what time of day is the relative humidity normally at a minimum -------- ? A. When the air temperature is highest (Answer) B. Just before sunrise C. About midnight D. When the air temperature is lowest
Last Answer : A. When the air temperature is highest (Answer)
Description : How do you calculate the lowest usable flight level? a. Lowest QNH and lowest negative temperature below ISA b. Lowest QNH and highest negative temperature below ISA c. Highest QNH and highest temperature above ISA d. Highest QNH and lowest temperature
Last Answer : a. Lowest QNH and lowest negative temperature below ISA
Description : Use the information and data given below to answer the questions Stronger intermolecular forces result in higher boiling point Strength of London forces increases with the number of electrons in the molecule ... here? (c) Why is the boiling point of HF highest while that of HCl lowest?
Last Answer : Ans :( a) In the molecules HCl, HBr and HI, dipole-dipole interaction and London forces are present. (b) Dipole moment of HCl > HBr > HI but boiling point of HCl < HBr
Description : Rank the following substances in order of increasing boiling point (lowest → highest): (1) CH3CH2CH2CH2OH, (2) (CH3)2CHOCH3, (3) (CH3)3COH (a) (1) < (2) < (3) (b) (2) < (1) < (3) (c) (2) < (3) < (1) (d) (3) < (2) < (1)
Last Answer : (2) < (3) < (1)
Description : As a pendulum swings from its highest to its lowest point, it has the SMALLEST acceleration when it is: w) at its lowest point x) at its highest point y) at a point 1/3 the distance from the top of its swing z) at a point 1/2 the distance from the top of its swing.
Last Answer : ANSWER: W -- AT ITS LOWEST POINT
Description : The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called (A) Fire point (B) Smoke point (C) Burning temperature (D) Kindling temperature
Last Answer : (C) Burning temperature