Water B 30° T T 1=2 Mercury- ↑z te N g
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As shown, water flows downward along a pipe inclined at 30° below the horizontal.
The pressure difference between PA and PB is due partly to gravity and partly to friction. The
specific gravity of mercury is 13.55.
(a) Derive an algebraic expression for the pressure difference.
(b) Evaluate the pressure difference (in psi) if L = 5 ft and h = 6 in
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- a)The bore of each cylinder in a six-cylinder car engine is 45 mm and the stroke for each piston is 125 mm. calculate the cubic capacity of the engine in cubic centimetres (cm3 ); and calculate the clearance volume per cylinder for a compression ratio, r, of 8.75. b) The bore of each cylinder in a four-cylinder four-stroke internal combustion engine is 38 mm and the stroke of each piston is 165 mm. During testing, the engine runs at 180 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 3.4 cm2 and a diagram length of 1.2 cm. The pressure scale on the indictor diagram is set to 150 kN/m2 per cm. Calculate the mean effective pressure (m.e.p) and the indicated power developed by this four-cylinder four-stroke engine.2.1 Please help. Written on paper not typed on computer or keyboard please. Need help both questions. Please include all units, steps to the problem and information such as its direction or if it is in compression or tension. Thx.Examine Notes: Attempt Six Questions Only. rever necessa , Q1] (20 Marks) Answer with true (T) or false (F), corrects the wrong phrases, and gives sho reasons for correct and corrected statements: 1- High chromium irons are basically grey cast irons alloyed with 12 to 30 % Cr. yous board-19qgo orT-1 2- The drawbacks of Al- Li alloys are their high young modulus and high density.&M 0) (0 3- Vulcanized rubbers are classified under thermoplastic polymers. 4- Diamond is a stable carbon polymorph at room temperature and atmospheric pressure. ( 5- The metallic ions of ceramic are called anions, and they are positively charged. yldgiH-S 69001(6
- Us (5-5)' High carbon steel or alloy steel can be used for the set of tools on a lathe. The tools must be sharpened periodically. Data for each are as follows: High carbon steel 60 pcs 4h 1h e Alloy steel 70 рсs 6 h 1h Output per hour Time between tool grinds Time required to change tools The wage of the lathe operator is P50.00 per hour, based on actual working hours. The tool changer costs P60.00 per hour. Overhead costs for the lathe are P45.00 per hour, including tool-change time. A set of unsharpened high carbon'steel costs P500 and can be ground ten times; a set of unsharpened alloy steel costs P850 and can be- ground five times. Which type of steel should be used? Solution High carbon steel: cycle time = 4 + 1= 5 hours number of pieces per cycle Cost per cycle: Operator = P50 (4) Tool.changer = (P60) (1) Overhead = (P45) (5) (4) (60) = 240. %3D P200 60 225 %3D Unsharpened tool = P600 50 Total 10 P535kindly help me with this problem Use free floating decimals in all your calculations and in expressing your final answers.• Solve problem SYSTEMATICALLY and NEATLY thank you! kindly follow this format GIVEN,REQUIRED,SOLUTIONOU DO: 1) An unknown metal, M, has heated and the following heating curve was created. Answer the following with the letter, letter range (ex: A→B) or a temperature. A) Point(s) where only a gas is present B) Temperature at which vaporization occurs C) Point(s) where a mixture of a solid and a liquid are present D) Point(s) where a gas turns into a liquid E) Temperature at which the substance starts to freeze F) Range where there is only a liquid Temperature (K) 1000 900 800 700 600 500 400 300 200 100 0 -100 -200 Heating curve for Unknown Metal, M C A B D Energy added --> E F
- Which of the following formulas describe the thermal efficiency of a cycle? Select all that applies. 1 - qin/qout worknet/qout worknet/qin 1 - qout/qinfrom the equation F/A= explain and discuss for 1- IF x=0. 2- IF 29 P₁₂ - P₂- 3- iF x Pp g TTT (P1-P₂) air 4- iF Z Pp g> P₁ - Pz. Cole* AR√ CdA A2* Pa P1-PL-P * P₁ - PzQuestion 6 a) The bore of each cylinder in a six-cylinder car engine is 45 mm and the stroke for each piston is 125 mm. calculate the cubic capacity of the engine in cubic centimetres (cm³); and calculate the clearance volume per cylinder for a compression ratio, r, of 8.75. b) The bore of each cylinder in a four-cylinder four-stroke internal combustion engine is 38 mm and the stroke of each piston is 165 mm. During testing, the engine runs at 180 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 3.4 cm² and a diagram length of 1.2 cm. The pressure scale on the indictor diagram is set to 150 kN/m² per cm. Calculate the mean effective pressure (m.e.p) and the indicated power developed by this four-cylinder four-stroke engine. c) Figure Q6c shows a pulley system with a suspended load w of 2000 N. Calculate the following: (i) (ii) (iii) (iv) The effort force (FEffort) necessary to lift and hold a load of 2000 N. The ideal mechanical advantage…
