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ISRO HSFC 2024 Answer key Released

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🚀ISRO LPSC 2024 EXAM CENTRE AND TIMING RELEASED

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56. Four forces of magnitude P, 2P, 3P and 4P act along the four sides of a square ABCD in cyclic order- *2√2 P*
57. M.O.I of Circle about Dia- π/64 x d⁴
58. Question on e = MATHS
59. Mohr's circle used to find-........
60. Maths on limit-????
61. Wrong statement about Structure - *the structure which produces work & transmit Power*
62. Used to measure curve (Drawing)-.....
63. Collision Kinetic energy -.........
64. In Adiabatic expansion process which remains constant- Entropy
65. Rivet numerical -50%
66. Lateral misalingment coupling used for-Oldham coupling
67. Slenderness Ratio-Length of column to least radius of gyration
68. Internal defect - Radiographic test
69. Vector unit- Displacement
70. The Fluid Viscosity - *Opposed the relative motion*
71. Rev, irreversible, impossible numerical
72. The two ends of a spring-balance are pulled each by a force of 10kg.wt. What will be the reading of the balance? *-10 kg*
73. Velocity zero - *Stagnation Point*
74. Correct statement about welding Aluminium with Tig welding-???
75. Repeatibility -.........
76. Maxm pressure when Maxm tensile stress is 80 mpa.?????
77. Substitution structure strain related questions -????

ISRO HSFC TECHNICAL ASSISTANT MECHANICAL 02.01.2025
(MEMORY BASED QUESTIONS)

Shared by Students (Both Questions/answers)

1. Eddy current loss - *Lenz Law*
2. Ohm's law- *V=IR*
3. Acid Solution- *HCl*
4. Atomic no of Sodium- *11*
5. The basic difference between PERT and CPM is that- *Guessed times are used in PERT and evaluated times in CPM*
6. Kinematics Viscosity unit- *m²/sec*
7. A0 Paper Size- *1189x841*
8. Which of the following is Solid State Welding- *Friction Stir Welding*
9. Discriminant of Quadratic Eqn- *Both a & b*
10. In piercing operation, the clearance is provided on- *Die*
11. ___ technique is used to control several machine tools with a central computer- *DNC*
12. Iron Carbon Diagram is - *Binary*
13. A body-centered cubic (BCC) unit cell has ...... atoms: - *2*
14. When a liquid is split into two solids, it's in a- *eutectic reaction*
15. Gantt chart used for - *Production Schedule*
16. The study of ___ provides the knowledge of inertia forces from the joint effect of the mass and motion of the components- *Kinetics*
17. Fatigue occurs - *Below Yield point*
18. Hooke's law holds good upto- *Curve A*
19. The correct sequence of the decreasing order of the value of characteristics gas constants of the given gases is- *Hydrogen, nitrogen, air, carbon dioxide*
20. The V.R of Two Pulleys in open/cross - *inversely Proportional to their Diameter*
21. The bending moment of a simply supported beam (SSB) with a point load at its center is -( *WL/4)*
22. Thread is adapted for the transmission of power in either direction- *Square Thread*
23. Malleability- *Rolled into Sheets*
24. The function of a riser is to- *compensate for the shrinkage of molten metal during the solidification process of casting*
25. The * is the ability of a material to resist- *strength*
26. In a bilateral system of tolerance, the tolerance is allowed on- *Both sides of the nominal size*
27. In simple harmonic motion (SHM), the velocity of a particle is .......... at the mean position- *Maximum*
28. Frequency of simple Pendulum- *1/2pi√g/l*
29. Figure Angle- *Shear Angle*
30. A steel rod of 2 cm diameter and 5 m long is subjected to an axial pull of 3000 kg. if E = 2.1 × 106 kg/cm2 the elongation of rod will be- *0.2275 cm*
31. The relationship between Force a/q to 2nd Law of Motion- *F=MA*
32. The actual length is 1m. The length of the drawing is 5cm. Find the representative factor.- *1/20*
33. Ring Gauge is used to measure- *Dia of Stud*
34. Probability, the variance is equal to the - *square of the standard deviation, or σ2*
35. Which of the following is Occurance of Probability - *18/23*
36. Using Taylor eqn N= 0.5 new tool life when speed is reduced to half- *4 Times*
37. At Break Even Point- *There is no profit & No loss*
38. Rankine Theory holds good for- *Brittle Material*
39. 400K & 800 K= *125 kj/s*
40. The pressure at a depth of 1 meter in water is- *9,810 pascals (Pa)*
41. Full Journal Bearing Contact Angle- *360* °
42. Stone is thrown from top of 200 m and 50m/sec- *4Sec*
43. Relationship between E,K,Mu- *E=3K(1-2mu)*
44. Built up Edge formed on- *Ductile Material*
45. Cutting speed D-7 mm rpm -200 - **4.3* m/min*
46. Differentiation at X=-1 -- *-20*
47. Two shaft with dia D and D/2 the strength ratio under Torsion is- *8:1*
48. _ motion is transmitted between the teeth of gears in mesh.- *Partly sliding and partly rolling*
49. As cutting speed increases the cutting Force- *Decreases*
50. Pressure figure- *Same in All*
51. STD tempr for Steam table -273.15 K
52. When a nut is tightened by placing a washer below it, the bolt will be subjected to the following type of loads- *Tensile Stress*
53. Height Of Thread is - *0.547 times of Pitch*
54. Not correct about Absolute Pressure- - - *1 bar*
55. Work Done by System -- dw=....

Alert: 🚨 ISRO LPSC EXAM DATE ANNOUNCED

Exam Date: 19 Jan 2025

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Dear HSFC Aspirants

Best wishes for Today Exam

All the best👍

✅Do your best during the exam.

✅Try to Attempts Exam in multiple Rounds ( 2 or 3 Rounds).

✅Skip time taking numericals and doubtful theory Questions in 1st Round.

Team Mechanical Adda

Happy New Year 2025! Stay focused, work hard, and believe in your journey—success is yours to achieve.

उद्यमेन हि सिद्ध्यन्ति कार्याणि न मनोरथैः।
न हि सुप्तस्य सिंहस्य प्रविशन्ति मुखे मृगाः।।
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Make 2025 the year of your triumphs!

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🔥HSFC LIVE MOCK TEST IS ACTIVE🔥

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🚀 ISRO HSFC Free Live Mock Test 2024-25: Technical Assistant Mechanical🚀

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🚀 ISRO HSFC Free Live Mock Test 2024-25 - Technical Assistant Mechanical 🚀

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Mechanical Adda® pinned «ISRO HSFC/LPSC TECHNICAL ASSISTANT ONLINE COURSES & TEST SERIES 2024-25 Order your ISRO TA ME Book now 📕 Link- https://www.mechadda.com/courses/471765 You can also make an order on the App App link: https://lynde.page.link/4vW1 ISRO EXAM BOOSTER…»

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🎙Attention : ISRO HSFC EXAM DATE ANNOUNCED

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🚀URSC 2024 FINAL SELECTION RESULT ANNOUNCED
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Declaration of Final Result of Junior Technical Officer & Technical Assistant for Indian Institute of Technology Delhi Recruitment Exam (Non-Teaching Posts) 2023

🔥 SELECTED AS IIT DELHI TA (TECHNICAL ASSISTANT)

🎉 HARSH SHARMA 🎉

Subh Deepawali 🎆🧨
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NPCIL RAWATBHATA 2024 WRITTEN EXAM RESULT ANNOUNCED

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