Q.90 The concentration of the ore ‘Copper glance’ will be carried out by _______.Ans 1. Leaching2. Hydraulic Washing3. Magnetic Separation4. Froth Floatation MethodCorrect Ans Provided: 4
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Q.88 A train crosses 110 m long platform in 12 s at the speed of 54 km/hr. What is the length of the train (in m)?Ans 1. 902. 603. 704. 80Correct Ans Provided: 3
Q.87 Find the area (in sq. cm) of a triangle two sides of which are 15 cm and 12 cm and the perimeter is 40 cm.Ans 1.2.3.
Q.91 Which of the following is/are benefits of e-commerce?(i) Flexibility and Scalability (ii) 24×7 Working (iii) Cost-EffectivenessAns 1. (i) and (ii) only2. (i), (ii) and (iii)3. (ii) and (iii) only4. (i) and (iii) onlyCorrect Ans ...
Q.84 One mole gas at temperature 27°C is compressed isothermally from a volume of 20 litre to 10 litre. The final temperature of the gas is ______.Ans 1. 75 K2. 600 K3. 150 K4. 300 KCorrect Ans Provided: ...
Q.81 Three effective leadership includes the theories of ______, ______, ______ and ______.Ans 1. trait, contingency, behavioral, full-range theories2. democratic, autocractic, bureaucratic, charismatic, behavioral3. transformational, transactional, servant, full-range4. pacesetting, ethical, affiliative, behavioralCorrect Ans Provided: 2
Q.86 Which of the following statements about input-output devices is True?(i) MICR can be used as an input as well as an output device.(ii) Both the scanner and the plotter are input devices.Ans 1. (ii) only2. ...
Q.78 Two particles of masses m1 and m2 are moving in concentric circles of radii r1 and r2 such that their periods are same. The ratio of their centripetal acceleration is ______.Ans 1.2.
Q.80 Vanderwaal’s gases deviate from ideal gas behavior because ______Ans 1. Their kinetic energy becomes zero2. No interaction takes place between the molecules of a gas3. Individual motion of molecules does not exist4. The molecules of the gas ...
Q.85 Which of the following network devices operates at the data link layer and used for interconnecting two LANs working on the same protocol?Ans 1. Hub2. Switch3. Bridge4. RepeaterCorrect Ans Provided: 3
