Q. The figure shows a pouring arrangement for casting of a metal block. Frictional losses are negligible. The acceleration due to gravity is 9.81 m/s2. The time (in s, round off to two decimal places) to fill up the mold cavity (of size 40 cm ´ 30 cm ´ 15 cm) is Ans: 28.92 […]
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Rashtriya Chemicals & Fertilizers gets Navratna status: On September 2, 2023, Rashtriya Chemicals and Fertilizers Limited (RCF) was conferred ‘Navratna status’ by the Department of Public Enterprises (DPE). Daily Current Affairs Quiz: September 2023 SHORT QUESTION What is the dividend of RCF 2023? For the year ending March 2023 Rashtriya Chemicals and Fertilisers has declared
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Q. An air standard Otto cycle has thermal efficiency of 0.5 and the mean effective pressure of the cycle is 1000 kPa. For air, assume specific heat ratio γ = 1.4 and specific gas constant R = 0.287 kJ/kg·K. If the pressure and temperature at the beginning of the compression stroke are 100 kPa and
Appointment of R Madhavan as Chairman of FTII Pune: R Madhavan has been named as the chairman of the Film and Television Institute of India (FTII), Pune. An Overview of the News In addition to the post of Chairman, Madhavan will also serve as the Chairman of the Governing Council of FTII. Madhavan’s nomination follows
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India beat Pakistan in the final to win the Men’s Hockey 5s Asia Cup 2023: India’s men’s hockey team won the Men’s Hockey 5s Asia Cup 2023 in Salalah, Oman by defeating Pakistan in the final. Daily Current Affairs Quiz: September 2023 SHORT QUESTION What is the place of India in Men’s Hockey World Cup
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Q. An idealized centrifugal pump (blade outer radius of 50 mm) consumes 2 kW power while running at 3000 rpm. The entry of the liquid into the pump is axial and exit from the pump is radial with respect to impeller. If the losses are neglected, then the mass flow rate of the liquid through
Plants having little or no secondary growth are Option 1 : Cycads Option 2 : Grasses Option 3 : Conifers Option 4 : Deciduous angiosperms The correct option is Option 2
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Q. Water flowing at the rate of 1 kg/s through a system is heated using an electric heater such that the specific enthalpy of the water increases by 2.50 kJ/kg and the specific entropy increases by 0.007 kJ/kg·K. The power input to the electric heater is 2.50 kW. There is no other work or heat
The experimental proof for semiconservative replication of DNA was first shown in a Option 1 : Fungus Option 2 : Virus Option 3 : Plant Option 4 : Bacterium Correct answer is option 4
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Secondary xylem and phloem in dicot stem are produced by Option 1 : Apical meristems Option 2 : Phellogen Option 3 : Axillary meristem Option 4 : Vascular cambium The correct answer is option 4
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