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AQA A LEVEL DESIGN AND TECHNOLOGY FASHION AND TEXTILES 7562/1|PAPER 1 TECHNICAL PRINCPLES
Describe the structure of twill weave fabric. [3 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ _________________...
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Describe the structure of twill weave fabric. [3 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ _________________...
AQA DESIGN AND TECHNOLOGY ;FASHION AND TEXTILES 7562/1 PAPER 1 TECHNICAL PRINCIPLES FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
Describe the structure of twill weave fabric. [3 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ _________________...
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Describe the structure of twill weave fabric. [3 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ _________________...
AQA DESIGN AND TECHNOLOGY|PRODUCT DESIGN 7552/2 PAPER 2 DESIGNING AND MAKING PRINCIPLES|FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
Wheel Rotationally moulded hollow spherical HDPE tyre Low carbon steel hub with rubber tyre Bucket Injection moulded HDPE Press formed powder coated low carbon steel Frame Powder coated low carbon steel Powder coated low carbon steel Compare the suitability of the two wheelbarrows shown for use on a building site. [6 marks] ___________________________________________________________________________________ ________________________________________________________________________________...
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Wheel Rotationally moulded hollow spherical HDPE tyre Low carbon steel hub with rubber tyre Bucket Injection moulded HDPE Press formed powder coated low carbon steel Frame Powder coated low carbon steel Powder coated low carbon steel Compare the suitability of the two wheelbarrows shown for use on a building site. [6 marks] ___________________________________________________________________________________ ________________________________________________________________________________...
AQA DESIGN AND TECHNOLOGY PRODUCTC DESIGN 7552/1 PAPER1 TECHNICAL PRINCIPLES |VERSION 1.0 FINAL FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
shows a labelled diagram of a hardwood drawer. For both of the joints labelled, state an appropriate traditional wood joint. Do not use any traditional wood joint more than once. [2 marks] Figure 1 Joint A Joint B Joint A ___________________________________________________________________________ ___________________________________________________________________________________ Joint B ___________________________________________________________________________ ________________________...
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shows a labelled diagram of a hardwood drawer. For both of the joints labelled, state an appropriate traditional wood joint. Do not use any traditional wood joint more than once. [2 marks] Figure 1 Joint A Joint B Joint A ___________________________________________________________________________ ___________________________________________________________________________________ Joint B ___________________________________________________________________________ ________________________...
AQA DESIGN AND TECHNOLOGY PRODUCTC DESIGN 7552/1 PAPER1 TECHNICAL PRINCIPLES |VERSION 1.0 FINAL FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
shows a labelled diagram of a hardwood drawer. For both of the joints labelled, state an appropriate traditional wood joint. Do not use any traditional wood joint more than once. [2 marks] Figure 1 Joint A Joint B Joint A ___________________________________________________________________________ ___________________________________________________________________________________ Joint B ___________________________________________________________________________ ________________________...
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shows a labelled diagram of a hardwood drawer. For both of the joints labelled, state an appropriate traditional wood joint. Do not use any traditional wood joint more than once. [2 marks] Figure 1 Joint A Joint B Joint A ___________________________________________________________________________ ___________________________________________________________________________________ Joint B ___________________________________________________________________________ ________________________...
AQA COMPUTER SCIENCE 7517/2 VERSION 1.0 FINAL FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
A sound is sampled and recorded digitally. The sound is sampled at a rate of 48 000 samples per second (Hz) for 3 minutes using a 16-bit sample resolution. Calculate the size of the digital recording, giving your answer in mebibytes. Give your answer rounded to 2 decimal places. You should show your working. [2 marks] Answer mebibytes 0 1 . 2 The highest frequency component in a different sound is 15 000 Hz. What is the minimum sampling rate that should be used when recording this sound ...
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A sound is sampled and recorded digitally. The sound is sampled at a rate of 48 000 samples per second (Hz) for 3 minutes using a 16-bit sample resolution. Calculate the size of the digital recording, giving your answer in mebibytes. Give your answer rounded to 2 decimal places. You should show your working. [2 marks] Answer mebibytes 0 1 . 2 The highest frequency component in a different sound is 15 000 Hz. What is the minimum sampling rate that should be used when recording this sound ...
AQA COMPUTER SCIENCE 7516/2 VERSION 1.0 FINAL FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
Shade in one lozenge to indicate which of the following values is an irrational number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 2 Shade in one lozenge to indicate which of the following values is a natural number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 3 Define the set of real numbers. [1 mark]3 *03* Turn over ► IB/G/Jun23/7516/2 Do not write outside the 0 1 . 4 Shade in one lozenge to indicate which of the following symbols represents the set of box numbers most suita...
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Shade in one lozenge to indicate which of the following values is an irrational number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 2 Shade in one lozenge to indicate which of the following values is a natural number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 3 Define the set of real numbers. [1 mark]3 *03* Turn over ► IB/G/Jun23/7516/2 Do not write outside the 0 1 . 4 Shade in one lozenge to indicate which of the following symbols represents the set of box numbers most suita...
AQA A LEVEL CHEMISTRY 7405/3 PAPER 3 FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023|SUCCESS GUARANTEED
Ethyl ethanoate can be made by reacting ethanol with ethanoic acid in the presence of concentrated sulfuric acid. Method 1. A mixture of ethanol, ethanoic acid, and concentrated sulfuric acid, with anti-bumping granules, is heated under reflux for 10 minutes. 2. The apparatus is rearranged for distillation. 3. The mixture is heated to collect the liquid that distils between 70 and 85 °C 4. The distillate is placed in a separating funnel. Aqueous sodium carbonate is added, and a stopper ...
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Ethyl ethanoate can be made by reacting ethanol with ethanoic acid in the presence of concentrated sulfuric acid. Method 1. A mixture of ethanol, ethanoic acid, and concentrated sulfuric acid, with anti-bumping granules, is heated under reflux for 10 minutes. 2. The apparatus is rearranged for distillation. 3. The mixture is heated to collect the liquid that distils between 70 and 85 °C 4. The distillate is placed in a separating funnel. Aqueous sodium carbonate is added, and a stopper ...
AQA CHEMISTRY 7405/2 PAPER 2 ORGANIC AND PHYSICAL CHEMISTRY VERSIONS 1.0 FINAL |FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
This question is about rates of reaction. Figure 1 shows apparatus used to measure the rate of reaction when an acid reacts with an excess of solid sodium hydrogencarbonate, NaHCO3 When different monoprotic organic acids are used, the rates at which gas escapes can be used to compare the strengths of the acids. A timer is started when the NaHCO3 is added to the acid and the mass of CO2 gas lost is recorded at regular intervals. (It is assumed that any change in mass is due to the loss of ...
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This question is about rates of reaction. Figure 1 shows apparatus used to measure the rate of reaction when an acid reacts with an excess of solid sodium hydrogencarbonate, NaHCO3 When different monoprotic organic acids are used, the rates at which gas escapes can be used to compare the strengths of the acids. A timer is started when the NaHCO3 is added to the acid and the mass of CO2 gas lost is recorded at regular intervals. (It is assumed that any change in mass is due to the loss of ...
AQA CHEMISTRY 7405/1 PAPER 1 INORGANIC AND ORGANIC VERSION 1.0 FINAL QUESTIONS PAPERS WITH MARKING SCHEME [MERGED]|2023
This question is about complexes of the transition metal chromium. 0 1 . 1 State the meaning of the term transition metal complex. [1 mark] Cr(PF3)6 is a complex of chromium that contains molecules of PF3 0 1 . 2 The electron pair repulsion theory can be used to predict the shape of a PF3 molecule. Draw the shape of a PF3 molecule. Include any lone pairs of electrons that influence the shape. Name the shape. [2 marks] Shape Name of shape 0 1 . 3 Suggest why the oxidation state of chro...
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This question is about complexes of the transition metal chromium. 0 1 . 1 State the meaning of the term transition metal complex. [1 mark] Cr(PF3)6 is a complex of chromium that contains molecules of PF3 0 1 . 2 The electron pair repulsion theory can be used to predict the shape of a PF3 molecule. Draw the shape of a PF3 molecule. Include any lone pairs of electrons that influence the shape. Name the shape. [2 marks] Shape Name of shape 0 1 . 3 Suggest why the oxidation state of chro...