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Tina observed the following when she tested the specific gravity of milk to check for adulteration- the specific gravity was lesser than that of pure milk. She complained to the milk vendor and the next day checked the specific gravity again. This time it came in the range of the desired specific gravity. Can we be assured that this is pure unadulterated milk?
Each question comprises of a statement and two conclusions I) and II). Assuming that the statement is true, which of the conclusions follow logically from the statement? Statement: Because of growth in production of Aluminium by National Aluminium Company, India has become self-sufficient in Aluminium. Conclusion: I) Previously India had to import Aluminium. II) At this rate, India may start exporting Aluminium.
Which one of the following is NOT correctly matched? Aluminium Plants Location (a) Madras Aluminium Company Limited (MALCO) Chennai (b) Bharat Aluminium Company Limited (BALCO) Korba (c) Hindustan Aluminium Corporation Limited (HINDALCO) Renukoot (d) Indian Aluminium Company Limited (INDAL) Hirakud
There are two alloys of copper and aluminium, alloy A has 40% aluminium and alloy B has 10% copper. In what ratio should these alloys be mixed so that the cost of total copper becomes equal to the cost of total aluminium in the mixture? (The cost price of aluminium is Rs. 200 per kg and cost price of copper is Rs. 500 per kg)
What is the average specific gravity(δav) if the specific gravity of the fuel (δf) is 0.792, the specific gravity of the oxidizer is (δo) is 1.02 and the mixture ratio (r) is 4?
A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis
Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement. Statement: I: All windows are aluminium. II: Some windows are wooden. Conclusion: I: Some wooden are not aluminium. II: Some wooden are aluminium. III: Some aluminium are window.
Two similar bars of Steel and Aluminium are heated to a same temperature. Forces are applied at the ends of the bars to maintain their lengths unaltered. If the ratio of Young’s moduli of Steel and Aluminium is 3, and the ratio of the coefficients of thermal expansion of Steel to that of Aluminium is 0.5, what is the stress on the Aluminium bar if the stress on the Steel bar is 100 MPa?
Consider the following statements in respect of dams: 1. In a gravity dam, a grout curtain is provided near the toe to reduce the exit gradient. 2. A drainage gallery with its drainage pipe system provided in a gravity dam reduces the uplift pressure at all levels below the upstream water level. 3. An earthquake acceleration of 0.1 g acting vertically downward causes a decrease of 10% in the limit weight of concrete and of water in a gravity dam. 4. The Tehri dam is a gravity dam. Which of the above statements are correct?
Given steps in procedure to find the center of gravity of the quadrilateral ABCD. Arrange the steps. i. Draw lines joining G1 with G2 and G3 with G4. ii. In given quadrilateral draw diagonal BD and locate centers of gravity G1, G2 of triangles BCD and ABD. iii. The point of intersection of lines G1G2 and G3G4 gives the center of gravity of the quadrilateral ABCD. iv. Similarly draw the diagonal AC and determine the centers of gravity G3, G4 of triangles ABC and ADC.