Description : Which of the following is the hardest? (A) Cementite (B) Pearlite (C) Austenite (D) Ferrite
Last Answer : (C) Austenite
Description : Eutectoid composition of carbon steel at room temperature is (A) Cementite (B) Pearlite (C) Martensite (D) Ferrite
Last Answer : Option B
Description : Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. (A) Cementite (B) Austenite (C) Martensite (D) Pearlite
Description : Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called (A) Tempering (B) Hardening (C) Annealing (D) Normalising
Last Answer : Option C
Description : 6.------- is the forest cover to be maintained as per the National Forest Policy (1988) 1. 67% for hills & 33% for plains 2. 37% for hills & 11% for plains 3. 17% for hills & 23% for plains 4. None of the above
Last Answer : Ans: 67% for Hills and 33% for plains
Description : If the Sales is Rs.100 crores, EBIT is Rs.30 crores, PAT is Rs.20 crores and Total Assets is Rs.300 crores, then the return on assets (ROA) is given by A. 6.67% B. 10% C. 33.33% D. 23.33% E. 26.67%
Last Answer : B. 10%
Description : A golden rule for the procurement of construction stones, suggests (A) 100% at the site (B) 67% at the site and 33% under procurement (C) 50% at the site and 50% under procurement (D) 33% at the site and 67% under procurement
Last Answer : (B) 67% at the site and 33% under procurement
Description : The selling price of 30 items is equal to the purchasing price of 25 items. What is the profit percent? 1. 25% 2. 20% 3. 16.67% 4. 20.33%
Last Answer : 3. 16.67%
Description : The total number of passengers in 2010 is what per cent of the total number of passengers in 2013? 1) 64.66% 2) 72.33% 3) 80.66% 4) 66.67% 5) 70.25%
Last Answer : 4) 66.67%
Description : If a company has sales of $420,000, net sales of $400,000, and cost of goods sold of $260,000, the gross profit rate is a. 67%. b. 65% c. 35%. d. 33%.
Last Answer : c. 35%.
Description : Assuming no additional product promotion, what percent of customers, reached through last year’s marketing campaign will carry over into the current year? a. 33% b. 50% c. 67% d. 0% e. None of the above
Last Answer : c. 67%
Description : Maraging steels derive their strength from the following mechanism: (A) A fine, highly dislocated and strong martensite (B) Fine dispersions of inter-metallic of Fe, Ni, Ti etc (C) Fine ... alloy carbides in a ferrite matrix (D) Fine dispersions of Fe3 C nucleated on dislocations in austenite
Last Answer : Option A
Description : Cementite is (A) Fe3C chemically (B) A compound of carbon and iron (C) Characterised by an orthorhombic crystal structure (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Globular form of cementite is formed during the __________ process. (A) Spheroidising (B) Hardening (C) Annealing (D) Normalising
Last Answer : (B) Hardening
Description : Cementite is in the lamellar form in the __________ phase of steel. (A) Martenistic (B) Bainitic (C) Pearlitic (D) Ferritic
Description : Explain the formation of micro structures of pearlite, bainite and martensite in steel.
Last Answer : If austenite containing about 0.80 percent carbon is slowly cooled through the critical temperature, ferrite and cementite are rejected simultaneously, forming alternate plates or lamellae. This ... This phase has a tetragonal crystal structure and contains carbon in supersaturated solid solution.
Description : Explain the difference between pearlite and cementile ?
Last Answer : Pearlite is eutectoid mixture of ferrite and cementile. Cementite is chemical compound of iron and carbon.
Description : If it were scientifically possible to determine that your unborn child had an 87% chance at becoming a psychopath, but you had the option of genetically correcting it, would you do it?
Last Answer : What are the list of things that could potentially go wrong with the experimental procedure? That would have a lot of weight in my decision.
Description : If you have an 87% what will a 0% do to it?
Last Answer : If you only have that 1 87 and a 0 just average them, if not we need to know your other scores or what % of your grade the 0 is
Description : The natural water content of the soil sample was found to be 40%, specific gravity is 2.7 and void ratio 1.2; then the degree of saturation of the soil will be (a) 100% (b) 69% (c) 87% (d) 90%
Last Answer : (d) 90%
Description : The percentage of nitrogen is A. 21% B. 78% C. 12% D. 87%
Last Answer : B. 78%
Description : The sulphate of a metal M contains 9.87% of M. This sulphate is isomorphous with ZnSO4.7H2O. The atomic weight of M is [IIT 1991] (A) 40.3 (B) 36.3 (C) 24.3 (D) 11.3
Last Answer : (C) 24.3
Description : Explain The Difference Between Pear Lite And Cementite?
Last Answer : Pearlite is a eutectoid mixture of ferrite and cementite. Cementide is a chemical compound of iron and carbon.
Description : Which of the following materials is used along with iron ore and limestone to produce iron in a modern blast furnace? w) coke x) cementite y) coal z) bauxite
Last Answer : ANSWER: W -- COKE
Description : How much is the fat percentage in the milk of Bhadavari buffalo ? (a) 15 — 18% (b) 8 – 13% (c) 13 – 16% (d) 6 – 10%
Last Answer : (b) 8 – 13%
Description : 38% of 3976 +(32)2 – 13% of 8271 + 7/6 × 3400 =? a) 5427 b) 5325 c) 5537 d) 5612 e) 5554
Last Answer : ?=3976 × (38/100) + 1024 – 8271 × (13 / 100) + (7/6) × 3400 =1510.88 + 1024-1075.23 + 3966.66 =5426.31 ≈ 5427 Answer: a)
Description : Most common stainless steel type 316, which is highly resistant to corrosion contains (A) 16-13% Cr 10-14% Ni and 2-3% Mo (B) 20-22% Cr, and 8-10% Ni (C) 2-4% Cr, 22% NI and 2-4% Mo (D) None of these
Last Answer : (A) 16-13% Cr 10-14% Ni and 2-3% Mo
Description : Base suspension fertiliser essentially contains (A) 13% N2 and 43% P2O5 (B) 43% N2 and 13% P2O5 (C) 43% N2 and 13% K2O (D) 43% K2O and 43% P2O5
Last Answer : (A) 13% N2 and 43% P2O5
Description : Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of (A) Propane & butane (B) Butane & ethane (C) Methane & ethane (D) Methane & carbon monoxide
Last Answer : (A) Propane & butane
Description : A coalescer in a mixer-settler liquid-liquid extraction column (A) Comprises of thin bed of substances of extended surface having high porosity (B) Helps in increasing the bubble size entering the settler ... increasing the settling rate of the bubbles (D) All 'a', 'b', & 'c'
Last Answer : (D) All 'a', 'b', & 'c'
Description : Producer gas comprises mainly of (A) CO & N2 (B) CO & H2 (C) CO2 & N2 (D) CO2 & H2
Last Answer : (A) CO & N2
Description : L.D. converter gas (produced in steel plant) comprises mainly of (A) CO (upto 65%) & CO2 (B) CO2 & H2 (C) CO & O2 (D) CO2 & O2
Last Answer : (A) CO (upto 65%) & CO2
Description : In a chemical process plant, the total product cost comprises of manufacturing cost and the (A) General expenses (B) Overhead cost (C) R & D cost (D) None of these
Last Answer : (A) General expenses
Description : As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms). (A) LS (B) 93 LS (C) 250 LS (D) √(LS)
Last Answer : (B) 93 LS
Description : Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the ... of carbon and other element occurs in the weld pool leading to poor properties of the weld
Last Answer : (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
Description : During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to (A) Time (B) Square root of time (C) Square of time (D) Cube of time
Description : Secondary hardening in steels arises out of the (A) Precipitation of fine alloy carbides at high temperatures (B) Refinement of ferrite grain size by working (C) Decomposition of retained austenite upon heat treatment (D) Precipitation of complex inter-metallic upon heat treatment
Description : Would you believe a recent survey states that 67% of Americans believe illegal immigrants are ruining America?
Last Answer : I think the power elite has sufficiently distracted most people from what their real ills are that they are liable to believe almost anything that’s not in their own best interests.
Description : How do you write 67% as a decimal?
Last Answer : 67% = 0.67
Description : Which of the following statement(s) is/are true concerning the results of a National Institute of Health Consensus Conference on venous thrombosis and low-dose heparin prophylaxis? a. The odds of ... treated with low-dose heparin d. There was no difference in the incidence of bleeding complications
Last Answer : Answer: a, b, c In a metaanalysis of 70 randomized trials in 16,000 patients comparing low-dose heparin prophylaxis with standard therapy, the odds of developing deep venous thrombosis ... Similarly, the effectiveness of prophylaxis was not influenced by either two or three times daily dosage
Description : 71 The volume percentage of nitrogen in air is _____. A. 60% B. 67% C. 74% D. 78%
Last Answer : ANSWER: D
Description : The volume percentage of nitrogen in air is _____. A. 60% B. 67% C. 74% D. 78%
Description : Water covers ----- of the Earth’s surface? A. 61% B. 67% C. 71% (Answer) D. 76%
Last Answer : C. 71% (Answer)
Description : The extent area under the command of draught animals is about …. a. 57%. c) 67% b. 78%. d) 89%
Last Answer : 57%
Description : A merchant dealer gives successive discounts of 10% and 20% in that order and makes a profit of 20%. what will be the profit if he offers a single flat discount of 30%? a) 20% b) 16.67% c) 18% d) 14% e) None of these
Last Answer : let marked price be 100. SP with 10%, 20% = 80% of (90% of 100) = 72. profit = 20% so CP = 72/1.20 = Rs. 60 by offering a flat discount of 30%, sales price = 70% of 100 = 70 profit = (70 - 60) ×100 / 60 = 16.67% Answer: b)
Description : For two plates of equal thickness, full strength of square-edged fillet weld can be ensured if its maximum size is limited to (a) 1.5 mm less than the plate thickness (b) 67% of the plate thickness (c) 80% of the plate thickness (d) Thickness of the plate
Last Answer : (a) 1.5 mm less than the plate thickness
Description : In a large random data set following normal distribution, the ratio (%) of number of data points which are in the range of (mean ± standard deviation) to the total number of data points, is (A) ~ 50% (B) ~ 67% (C) ~ 97% (D) ~ 47%
Last Answer : Answer: B